Considering the given reaction, H 2 O + A dipeptide and water forms two amino acids, hydrolase category does the catalyzing enzyme belongs.
The catalyzing enzyme in the reaction H2O + A dipeptide → two amino acids belongs to the Hydrolase category. This is because the enzyme catalyzes the hydrolysis of a dipeptide, which involves the addition of water (H2O) to the dipeptide to form two amino acids. Hydrolases are enzymes that catalyze the hydrolysis of various types of biological molecules, such as carbohydrates, lipids, and nucleic acids.
1. Esterases, which catalyze the hydrolysis of esters, breaking the bond between the carboxyl and alcohol groups.
2. Lipases, which catalyze the hydrolysis of lipids, breaking the bond between the glycerol and fatty acid groups.
3. Peptidases, which catalyze the hydrolysis of peptides, breaking the bond between the amino acids.
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1. Based on the Data Table, what mass of magnesium is contained in your compound? Show all calculations.
31.634 – 31.064 = 0.57
2. Based on the Data Table, what mass of oxygen is contained in your compound? Show all calculations.
3. Compare the mass of the Mg ribbon with the mass of the magnesium oxide. How can you account for the change in mass between the two?
4. Now that you have the mass of magnesium and oxygen in your compound, you can find moles of each element in the compound and you can determine your experimental empirical formula. Show all calculations and your empirical formula below.
5. What is the known formula for magnesium oxide? Compare the known formula to the empirical formula you determined in question 4. Are they the same or no?
Answer:
Answer 1: The mass of magnesium contained in the compound is 0.57g, which can be determined by subtracting the mass of the crucible and lid (31.064g) from the mass of the crucible, lid, and magnesium ribbon (31.634g).
Answer 2: The mass of oxygen contained in the compound is 1.39g, which can be determined by subtracting the mass of the crucible, lid, and magnesium oxide (31.970g) from the mass of the crucible and lid (31.064g).
Answer 3: The change in mass between the two can be accounted for by the reaction of the magnesium with oxygen to form magnesium oxide.
Answer 4: The number of moles of magnesium is 0.0995 (2.39/24) and the number of moles of oxygen is 0.0868 (1.39/16). Dividing the moles of each element by the smallest amount of moles (0.0868) results in a simplest ratio of 1:1. Therefore, the empirical formula of magnesium oxide is MgO.
Answer 5: The known formula for magnesium oxide is MgO, which is the same as the empirical formula determined in question 4.
As the pressure of a gas at 7 atm is changed to 3 atm at constant temperature, will the
volume of gas increase, decrease, or remain the same? Explain why in terms of how the
molecules are moving.
Using Boyle's law, As pressure is decreased, the volume will increase.
Boyle's Law describes how pressure and volume relate when the temperature is constant.
P1V1 = P2V2
When temperature is kept constant in this equation, pressure and volume have an inverse relationship.
When the volume is reduced, molecules have less room to move and collide more frequently, which raises the pressure. If the volume is increased, the molecules have more room to move, collisions occur less frequently, and the pressure is reduced.
The combined gas law, however, governs the connection between the three quantities when temperature is included.
As the gas volume decreases, the molecules hit the walls more frequently, raising the pressure; conversely, as the volume grows, the molecules must travel farther to contact the walls, reducing the frequency with which they do so and raising the pressure.
According to Boyle's law, a gas's pressure tends to decrease as its volume rises.
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2 which subatomic particle is not indicated by the atomic number of a neutral atom? proton neutron electron
The subatomic particle is not indicated by the atomic number of a neutral atom is neutron.
The subatomic particles is the particles that atom is composed of. The subatomic particles is given as :
ProtonNeutron ElectronThe atomic number of the neutral atom is equals to the number of the protons. The number of protons is equals to the number of electrons for the neutral atom. The mass number is equal to the number of protons + number of neutrons.
Thus, the number of neutrons is the subatomic particle that is not indicated by the atomic number of a neutral atom.
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discuss the process of water cycle stage by stage
46. Describe how you would shape a piece of
aluminum foil so that it floats on water.
What is sodium bicarbonate is is soluble in water
In water, sodium bicarbonate dissolves to form sodium and bicarbonate which makes the solution alkaline, which means it can neutralize acid.
What is an acid?An acid is described as a molecule or ion capable of either donating a proton, known as a Brønsted–Lowry acid, or forming a covalent bond with an electron pair, known as a Lewis acid.
sodium bicarbonate is less soluble in water because the density of the water is more than the density of the sodium bicarbonate.
Acids are known to produce hydrogen ions and bases accept hydrogen ions.
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Select all the correct images.
Select the atoms that belong to the same element.
16 protons 16 neutrons
14 protons 14neutrons
16 electrons
11 protons 10 neutrons
13 protons 14 neutrons 13 electrons
14electrons
11protons
12 neutrons
11 electrons
11electrons
Isotopes are atoms that belong to the same element: 11 protons, 10 neutrons, 11 electrons, 13 protons 14 neutrons, and 13 electrons
What are isotopes?An isotope is one of two or more atom types of a chemical element that share the same atomic number, position on the periodic table, chemical behavior, and physical properties, but differ in atomic mass. One or more isotopes can be found in any chemical element. The number of protons in an atom's nucleus is the first criterion for determining its identity and labeling.
The observation that all atoms with the same atomic number have roughly the same chemical properties—if not exactly the same—gives this atomic number its significance. The symbol Z is typically used to represent this number. An ingot of pure uranium, for instance, only contains atomic number 92 atoms. Each atomic number has a place on the periodic table of elements, and each of these places is labeled with the element's common name, like calcium, radon, or uranium.
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S waves from a quake arrive at seismic station 40 seconds after the arrival of p waves how far away is the epicenter
Answer:
waves that move through only solids and they are slower than P-Waves and they travel in an S type motion(cannot go through outer core because it is liquid)
Explanation:
why would iron be useful when building a rocket
Answer: to keep it strong
Explanation:
suppose a biochemist has 10 ml of a 1.0 m solution of a compound with two ionizable groups at a ph of 8.00. she adds 10.0 ml of 1.00 m hcl, which changes the ph to 3.20. the value of one of the groups is 3.8 and it is known that is between 7 and 10. what is the exact value of ?
To determine the exact value of pK2 in this case, we can use the relationship between pH and pK, which states that the pH of a solution is equal to the pK of the acid with the lowest concentration when the acid and its conjugate base are in equilibrium.
Here, we know that the pH of the solution dropped from 8.00 to 3.20 after the addition of HCl. We can assume that the second group is now in the acid form since we know that the first ionizable group has a pK of 3.8, and the second group (pK2) is between 7 and 10, we can assume that the second group is now in the acid form.
We can use the relationship between pH and pK to calculate the exact value of pK2:
pH = pK2 = pKw / [H+] = 14.00 - log([H+])
3.20 = 14.00 - log([H+])
Solving for [H+], we find that [H+] = 1.0 x 10^-3.2
Now we can find the value of pK2 as:
pK2 = 14.00 - log(1.0 x 10^-3.2) = 14.00 - (-3.2) = 14.00 + 3.2 = 17.2
Therefore, the exact value of pK2 is 17.2.
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Why is iron the heaviest element that can be produced in stars
Answer: The main light elements that can be produced in stars is helium. the heaviest part that can be produced in giant stars is iron.
what are the physical properties of iron?
The physical properties of iron include iron is a heavy metal with a density of 7.9 g/cc, It is a lustrous metal, greyish white in colour.
Iron is highly malleable and ductile which is a good conductor of heat and electricity.
Iron can be magnetized and It melts at 1536 degrees Celcius and boils at 2861 degree Celsius, dissolved readily in dilute acids.
Rain from the atmosphere caused the water to fall. This water loosened the soil and rock in the geosphere. The landslide negatively affected nearby plants or animals in the biosphere, and it dumped debris into the river, affecting the hydrosphere.
Answer:
How are the spheres of Earth interrelated? The four spheres of Earth are closely connected to each other. Birds(biosphere) fly through the air (atmosphere), and water (hydrosphere) flows through the soil (lithosphere or geosphere). The spheres of the earth are closely connected to each other.
Heat is transferred only when___________________.
Answer: the direction of decreasing temperature
How much work is done when 7 N of force is used to push a stalled motorbike 5 m?
Hey there!
========================================| Welcome to Physics |
Topic for Discussion - Work
========================================What is "work" when it comes to Physics?"
In physics, work is the energy transferred to or from an object via the application of force along a displacement. In short, it is the force applied to an object over distance.
The formula for work is [tex]W=Fs[/tex].
[tex]W=work[/tex][tex]F=force[/tex][tex]s=displacement/distance[/tex]Given the scenario above, there is "a force of 7 N on a stalled motorbike for a distance of 5 meters (m)". Now, we have to "determine the amount of work" that is being done during this
Knowing our formula for work, simply apply the given data in the scenario using the formula to determine the work being done.
[tex]W=Fs[/tex]
[tex]F=7[/tex]
[tex]s=5[/tex]
[tex]W=7*5[/tex]
[tex]W=35[/tex]
Hence, the work being done in the given scenario would be 35.
__________________________________________________
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Question: Rank the following radicals in order of increasing stability.
Answer
The rank of the given radicals in the increasing order of stability is as follows:
Consider the following techniques to improve stability: mproving the foundation: Make certain that the foundation is strong, stable, and capable of sustaining the structure.
Maintaining balance: Keep the structure's weight equally distributed and balanced. Stress reduction: Avoid overstressing the structure and minimize current stress by suitable support and reinforcement. Material updates: Use materials that are recognized to be long-lasting and durable. Regular maintenance entails inspecting and maintaining the structure on a regular basis in order to discover and treat any concerns before they become big difficulties. Reduce dynamic loads: Keep vibrations and other dynamic loads to a minimum. Using suitable design: Ensure that the design takes into account the structure's stability needs. This is not a complete list, and the best method for boosting.
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4. Samples of compound X, Y, and Z are analyzed, with results shown here.
Compound
X
Y
Z
Description
clear, colorless, liquid with strong odor
clear, colorless, liquid with strong odor
clear, colorless, liquid with strong odor
Mass of Carbon
1.776 g
1974 g
7.812 g
Mass of Hydrogen
0.148 g
0.329 g
0.651 g
Do these data provide example(s) of the law of definite proportions, the law of multiple proportions, neither, or both?
What do these data tell you about compounds X, Y, and Z?
The data can show us that X ,Y and Z are all esters
What is the law of definite proportions?The law of definite proportions, also known as Proust's Law, states that a given chemical compound always contains the same elements in the same proportion by mass.
This means that no matter how a compound is obtained or prepared, its elemental composition will always be the same. For example, water is always composed of hydrogen and oxygen in a ratio of 2:1, regardless of its source or method of preparation.
The law of definite proportions is a fundamental principle of chemistry and provides evidence for the atomic theory of matter.
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Analyze the given diagram of the carbon cycle.
An image of carbon cycle is shown. The sun, a cloud, two trees, one towards left and the other towards right, an animal, lake, and a factory are included. Arrow A points from the sun to the left tree. Arrow B points from the air above the clouds to the left tree. Arrow C points from the factory towards the air above the clouds. Arrow D points from the air to the lake labeled Carbonates in Water. Arrow E points from the label Dead Organism under the animal to label Fossils and Fossil Fuels. Arrow F points from the right tree to the air.
Part 1: Which process does arrow A represent?
Part 2: Which type of energy transformation does arrow A represent?
Part 3: Justify why this process is a recycling of carbon in the carbon cycle.
Use complete sentences to explain your answer.
Answer;
1.Arrow A represents the process of photosynthesis.
2.This shows the process of light energy converting into chemical energy
3.Photosynthesis absorbs carbon dioxide and converts it into energy as biomass, so that its able to be used for something else later on.
Explanation:
Part I
At location G, the process of combustion is taking place where hydrocarbon or organic carbon from the fossil fuel is burnt in the presence of oxygen to produce carbon dioxide and water as the products.
CxHy = CO₂ + H₂O
Part II
At point G there is no transformation of energy since during the process of combustion energy will still be stored in form of chemical energy in the bonds of carbon Iv oxide and the water produced during the reaction.
Part III
The process shows recycling of carbon in the carbon cycle. This is because carbon from living organisms is cycled to non living organisms. When plants and animals die and are buried deep in the ground, they are then slowly converted to fossil fuels which contain organic hydrocarbon compounds including petrol, kerosene and other compounds. Then the fossils are used in the industries and undergoes combustion releasing carbon iv oxide which is then released to the atmosphere and used by the plants and animals. The process starts once again.
it the same:]
Photosynthesis is a process by which plants absorb carbon dioxide from the atmosphere and use energy from the Sun to convert it into glucose.
Which process does arrow A represent?Arrow A represents photosynthesis.Arrow A represents a transformation from light energy from the sun to chemical energy stored in the tree.The process of photosynthesis converts light energy from the sun into chemical energy for the tree, which captures carbon from the air. This carbon is then recycled through the carbon cycle as it is respired out of the tree, released into the air, absorbed by the water, and eventually released back into the atmosphere.Arrow A represents photosynthesis.Arrow A represents a transformation of light energy from the Sun into chemical energy stored in the form of carbohydrates in the tree.This process is a critical part of the carbon cycle because it removes carbon dioxide from the atmosphere and stores it in the form of carbohydrates in the plant.The plant can then use the glucose to produce energy and grow, or it can be consumed by animals and eventually broken down into carbon dioxide and returned to the atmosphere. This cycle of removing carbon dioxide from the atmosphere and then returning it is essential to maintaining the balance of carbon in the environment.To learn more about Photosynthesis refer to:
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Which name is given to a reaction in which the number of each type of atom on one side of the equation is equal to the number of the same kind of atoms on the other side of the equation?
A balanced chemical equation describes a reaction where the number of each type of atom on one side of the equation is equal to the number of the same sort of atoms on the other side of the equation.
In other words, the number of atoms of each element is the same on both sides of the equation, obeying the rule of conservation of mass.
For instance, the balanced formula for the combustion of oxygen and methane is CH4 + 2 O2 -> CO2 + 2 H2O.
On either side of the equation, there are 1 carbon atom, 4 hydrogen atoms, and 4 oxygen atoms.
The chemical equation must be in balance in order to employ the right quantity of reactants and products and to forecast how much reactant will be used and how much product will be produced.
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explain why the conductivity decreases, passes through a minimum, and then increases as the volume of h2so$ added to the barium hydroxide
The conductivity decreases initially as acid and base neutralize, passes through a minimum at the highest salt concentration, and then increases again as acidity increases and salt concentration decreases.
The conductivity decreases as the volume of H₂SO₄ is added to the barium hydroxide because the acid and base are neutralizing each other, forming salt and water which are poor conductors.
As the volume of acid added increases, the conductivity passes through a minimum because the salt concentration is at its highest point and then increases again as the acid and base are no longer neutralizing and the salt concentration begins to decrease.
In addition, the addition of sulfuric acid leads to the formation of more dissolved ions in solution, which increases the conductivity. The increase in concentration of these ions can be attributed to the protonation of the hydroxide ions and the formation of sulfate ions. As the acidity increases further, the conductivity increases again.
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Your question seems incomplete, but I suppose the question was:
"Explain why the conductivity decreases, passes through a minimum, and then increases as the volume of H₂SO₄ added to the barium hydroxide."
Answers for Predicting Products of Chemical Reactions
The prediction of chemical reaction is CO2 and H2O are the end products of every combustion reaction involving hydrocarbons or hydrogen-carbon-oxygen molecules (assuming a complete reaction).
a. C6H12 + 9O2 6CO2 + 6H2O during combustion
b. Combustion: 8CO2 + 6H2O from 2C4H6 + 11O2
c. Combustion: 6CO2 + 5H2O + C6H10O3 + 7O2
The predicting products of chemical reactions is The ability of human chemists to predict reactions' outcomes with acceptable certainty is amazing. These forecasts are, of course, founded on fundamental physical principles, but they are unquestionably not based on meticulous numerical calculations.
For example:-
1. Mg + I2 becomes MgI2.
The product must have a 1:2 cation:anion ratio since Mg can only form Mg2+ and I can only form I-.
2. Dual displacement: CuS + 2HCl CuCl2 + H2S
Be aware that the substance is not H2Cl2. Recognizing that CuCl2 is composed of three ions—Cu2+ and two Cl-—is crucial.
3. NaOH + HClO4 NaClO4 + H2O, or double displacement
You must understand that perchlorate (ClO4-) and hydroxide (OH-) are polyatomic ions in this question and won't disintegrate. Additionally, as this is an acid-base reaction, the end products ought to be salt and water.
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Complete question:
What is predicting product of chemical reaction.
Combustion:
a. C6H12 + O2 =
b. Combustion: C4H6 + O2 =
c. Combustion: C6H10O3 + O2 =
the geometry of a molecule has an important consequence for its polarity. a molecule that contains polar bonds may still be nonpolar, if .multiple choice question.the molecule is symmetrical and the individual bond dipoles cancelthe molecule contains atoms other than oxygen or fluorine, which are highly electronegativethe molecule is sufficiently small that the individual bond dipoles are insignificant
The polarity of a molecule is significantly impacted by its shape. A molecule that contains polar bonds may still be nonpolar if the molecule is symmetrical and the individual bond dipoles cancel.
The distribution of electric charge in a molecule is referred to as polarity. A dipole moment is produced by the positive and negative charge areas that coexist in a molecule having polar links. The individual bond dipoles will cancel out each other if the molecule is symmetrical, which ensures that the positive and negative charges are distributed equally. Even though the molecule in this instance has polar bonds, it will nonetheless be nonpolar. However, if a molecule is not symmetrical or contains strongly electronegative atoms like fluorine or oxygen, the bond dipoles will not cancel each other out, resulting in polarity.
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The actual question is:
The geometry of a molecule has an important consequence for its polarity. a molecule that contains polar bonds may still be nonpolar, if
a) the molecule is symmetrical and the individual bond dipoles cancel.
b) the molecule contains atoms other than oxygen or fluorine, which are highly electronegative.
c) the molecule is sufficiently small that the individual bond dipoles are insignificant.
d) the molecule is sufficiently small that the single bond dipoles are significant.
consider a saturated solution of silver chloride in water. compared to the original concentrations of the silver ion and the chloride ion, how would the concentrations be different after some nacl is added to the solution?
The concentrations of the silver ion and chloride ion in the solution will not be affected by the addition of NaCl, as the solution is already saturated.
When a solution is saturated, it means that the maximum amount of solute (in this case, silver chloride) has been dissolved in the solvent (water) at a given temperature and pressure. Adding more solute (such as NaCl) will not cause any additional solute to dissolve, as the solution is already at its saturation point.
Therefore, the concentrations of the silver ion and chloride ion in the solution will not change as a result of adding more NaCl. It's important to note that adding more solvent (water) would decrease the concentration of the solute.
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Draw the missing intermediate and add curved arrows for the production of phenylethyne by the double dehydrohalogenation of 2,2-dibromoethylbenzene. Note that, although stereochemistry is not graded, it is an important part of the mechanism
Illustration of the missing intermediate and add curved arrows for the production of phenylethyne by the double dehydrohalogenation of 2,2-dibromoethylbenzene is given in the attachment.
Dehydrohalogenation is an elimination reaction used in chemistry to get rid of a hydrogen halide from a substrate. Although the reaction is frequently linked to the synthesis of alkenes, it has additional uses.
Alkyl halides have historically served as the substrates for dehydrohalogenations. Halides without a C-H bond on an adjacent carbon are not acceptable substrates for alkyl halides because they cannot produce an alkene.
Halides made of aryl are similarly inappropriate. Chlorobenzene dehydrohalogenates when subjected to a strong base, releasing phenol through a benzyne intermediate. Many alkyl chlorides change into the equivalent alkene when treated with a strong base. It is a kind of elimination reaction and is also known as a-elimination reaction.
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when placed at the same temperature, compare the entropy of 10 mole of ar(g) at 10.0 atm and 10 mole of ar(g) at 0.5 atm. which system has a higher entropy? group of answer choices 10 mole of ar(g) at 10.0 atm 10 mole of ar(g) at 0.5 atm there is not enough information. they are the same in entropy.
When placed at the same temperature, the entropy of 10 mole of Ar(g) at 10.0 atm and the 10 mole of Ar(g) at 0.5 atm. The system has a higher entropy is 10 mole of Ar(g) at 0.5 atm.
The entropy is the measure the randomness of the of the system. the measure of the system's thermal energy per unit the temperature that is not available for doing the useful work.
The Entropy will increases with temperature at the constant pressure. The pressure increases leads to the higher degree of the order in the molecular arrangement. so, the entropy decreases with the increasing pressure.
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Study the melting points for the different materials in the table. Describe the types of bonds that the different materials have and explain how these bonds account for the differences in melting point. Material Melting point (K) at 1 atm pressure Lead 601, Mercury 234, Sodium Chloride 1074, Water 273
The ionic bonds in sodium chloride is the strongest bond as such the substance has the highest boiling point while the mercury has the weakest bond and the least melting point.
What is the melting points?We have to note that the melting point of the solid has to do with the temperature at which the solid is converted into the liquid state. It is the temperature at which the bonds that are holding the particles of the substance would be broken.
In this case, we can see that the trends in the boiling points does reveal the kind of bonding intercation that we have in the compound. Given that there are strong ionic bonds in sodium chloride it has the highest boiling point.
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how long does it take for a serious burn to occur when the temperature of a liquid is 140 f degrees?
Answer:
When a liquid is 140° F it really only takes five or less seconds to produce a serious burn.
Use the periodic table to determine the electron configuration for Si and Y in noble-gas notation. Si:
answers:
si=ne 3s23p4
y= kr 5s24d2
The electronic configuration of the elements Si and Y in noble-gas notation is given below:
Si = [Ne] 3s²3p⁴Y= [Kr] 4d¹5s²What is the electronic configuration of Si and Y?The arrangement of an atom's or molecule's electrons in their respective orbitals is known as its electron configuration.
The electronic configuration of Si and Y are derived from their atomic numbers.
The atomic number of Si is 14
The atomic number of Y is 39
The electronic configuration of Si is 1s²2s²2p⁶3s²3p²
or [Ne] 3s²3p⁴ in noble-gas notation.
The electronic configuration of Y is 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹5s²
or [Kr] 4d¹5s² in noble-gas notation.
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explain what it means for an electron to be both a particle and a wave. what two scientists contributed to this quantum model of the atom?
The energy of the electron is deposited at a point, just as if it was a particle. So while the electron propagates through space like a wave, it interacts at a point like a particle. This is known as wave-particle duality.
Only recently have scientists began to think of light as both a wave and a particle. Two major scientists that helped discover this property were Heinrich Hertz in 1887 and Albert Einstein in 1905.
ABOUT WAVE PARTICLE DUALITYWave–particle duality is the concept in quantum mechanics that every particle or quantum entity may be described as either a particle or a wave. It expresses the inability of the classical concepts "particle" or "wave" to fully describe the behaviour of quantum-scale objects. As Albert Einstein wrote:
It seems as though we must use sometimes the one theory and sometimes the other, while at times we may use either. We are faced with a new kind of difficulty. We have two contradictory pictures of reality; separately neither of them fully explains the phenomena of light, but together they do.
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what do you call water without much calcium and magnesium
Water without much Calcium and Magnesium is known as Soft water.
Soft water has low concentration of Calcium carbonate and other ions. These are free from dissolved salts of metals like Calcium, Magnesium and other metals.
Hard water and soft water are differentiated based on their amount of Calcium and Magnesium constituents. Hard water has mineral stains , spots and feeling a film in your hands while washing it.
Soft water makes our clothes cleaner , water pressure heavily in the hands and a slight of Sodium taste in drinking water.
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California, a city that is far inland, such as Sacramento, is typically warmer than a city near the coast, such as San Francisco agree or disagree why
The fact that California is surrounded by water makes is cooler than Sacramento that is surrounded by land.
Why is Sacramento warmer than California?We have to note that the features that surround an area is a key factor is determining whether or not the place would be warm or cold. If a place is surrounded by water, the convection of the air would lead to land and sea breeze and make the place to be cooler.
On the other hand for the places that have been surrounded by land, we would notice that the temperature of those areas would tend to be much higher than the islands.
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