The physical adaptation among the option that increases an organisms
chances of finding a suitable habitat is the long legs of wading birds
An adaptation is a characteristic that helps an animal survive in its habitat.
Any animal who successfully survives on land or water must have behavioural
and physical trait or attributes or adaptation that assist it to achieve those
goals.
This physical adaptation might be body growth, body covering during
weather change, body functioning or even body parts.
The physical adaptation among the option that increases an organisms
chances of finding a suitable habitat is the long legs of wading birds.
The long legs of wading birds assist them to find a suitable habitat. The long
legs can move through shallow water without wetting their feathers.
There long leg give them better eye sight to search for food and suitable
habitats.
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Students in class argue about whether salt (NaCl) or water (H2O) has stronger intramolecular forces. Which argument is BEST?
Question 3 options:
Water because it is a common material and will have stronger intramolecular force.
Water is attracted to salt and salt dissociates, so water has stronger intramolecular forces.
Salt never melted and water has a lower boiling point, so salt has stronger intramolecular forces.
Salt is a solid and water is a liquid, so water has stronger intramolecular forces.
Since intermolecular forces is stronger in a solid than a liquid, then NaCl has stronger intermolecular forces than H2O.
Intermolecular forces exists between molecules of the same or different kinds. Water has a dipole moment hence it can interact effectively with the ions in NaCl. This leads to an ion dipole interaction that results in the dissolution of NaCl in H2O.
NaCl is a solid and water is a liquid. Since intermolecular forces is stronger in a solid than a liquid, then NaCl has stronger intermolecular forces than H2O.
Hence, the best argument that compares the intermolecular interactions in water and NaCl is; salt is a solid and water is a liquid, so water has stronger intramolecular forces.
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there are two questions
1. what is the energy associated with electromagnetic radiation of 6.34 x 10^15 hertz
2. What is the frequency of one of the bands of the sodium emission spectrum that has a wavelength of 585 nanometers?
1. The energy associated with an electromagnetic radiation of [tex]6.34 \times 10^{15} \;Hertz[/tex] is equal to [tex]4.2 \times 10^{-18}\;Joules[/tex].
2. The frequency of one of the bands of the sodium emission spectrum is [tex]5.13 \times 10^{14}\;Hertz[/tex]
Given the following data:
Frequency = [tex]6.34 \times 10^{15} \;Hertz[/tex]Wavelength = 585 nm to m = [tex]5.85 \times 10^{-7}\;meters[/tex]Scientific data:
Speed of light = [tex]3 \times 10^8\;meters[/tex]Planck constant = [tex]6.626 \times 10^{-34}\;J.s[/tex]1. To determine the energy associated with an electromagnetic radiation of [tex]6.34 \times 10^{15} \;Hertz[/tex], we would apply Einstein's equation for photon energy:
Mathematically, Einstein's equation for photon energy is given by the formula:
[tex]E =hf[/tex]
Where:
E is the energy.h is Planck constant.f is photon frequency.Substituting the given parameters into the formula, we have;
[tex]E = 6.626 \times 10^{-34}\times 6.34 \times 10^{15} \\\\E = 4.2 \times 10^{-18}\;Joules[/tex]
2. To determine the frequency of one of the bands of the sodium emission spectrum:
Mathematically, the frequency of a wave is given by the formula:
[tex]Frequency = \frac{Speed}{wavelength} \\\\Frequency = \frac{3 \times 10^8}{5.85 \times 10^{-7}} \\\\Frequency =5.13 \times 10^{14}\;Hertz[/tex]
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What mass of KBr (in grams) do you need to make 250. 0 mL of a 1. 50 MKBr solution?.
Answer:
KBr final solution:
V = 250mL --> 0.25L
Concentration/Molarity = 1.5 mol/L
To find the amount of moles of KBr here, just multiply the volume by the concentration (0.25 x 1.5 = 0.375 mol)
So the amount of moles for KBr is 0.375 mol. Now we know that the mass divided by the molar mass (the atomic mass values of K and Br in the periodic table added together) would give us the amount of moles aswell.
n = moles
m = mass
M = molar mass
n = m/M
so if we rearrange this equation to find mass, we would get:
m = n x M
Molar mass for KBr: (39.09) of K + (79.90) of Br = 118.99
m = 0.375 mol x 118.99
m = 44.62g
Therefore 44.62g of KBr is needed to make 250mL of a 1.5 M KBr solution.
The height that mercury reaches in the tube of a manometer ................on the diameter of the tube.
Answer:
does not depend
Explanation:
Answer:
DO NOT DEPENDEDExplanation:
I hope it's help u
The equation for a base solution is B + H2O = BH+ + OH- The strength of the base in a solution is increased. How
will the number of particles change? (1 point)
O The number of B molecules will increase, and the number of OH ions will decrease.
The number of BH molecules will increase, and the number of water molecules will decrease.
The number of OH-ions will increase, and the number of BH molecules will decrease.
O The number of B molecules will increase, and the number of water molecules will decrease.
Answer:The number of BH+ Molecules will increase , and the number of water molecules will decrease
Explanation:
The number of OH- ions will increase, and the number of BH molecules will decrease.
Option (3) is correct.
In the given base solution equation, B + H₂O = BH⁺ + OH⁻, when the strength of the base is increased, more B molecules will react with water to form BH⁺ and OH⁻ ions. This happens because a stronger base donates more OH⁻ ions into the solution, increasing its concentration.
As the base becomes stronger, more B molecules will participate in the reaction, forming fewer BH⁺ molecules since they are being converted to BH⁺ ions. Simultaneously, the increased concentration of OH⁻ ions means that the number of OH⁻ ions in the solution will increase.
Overall, the change in the number of particles can be summarized as follows:
The number of BH molecules will decrease.
The number of OH⁻ ions will increase.
This change reflects the increase in the concentration of OH⁻ ions, which is a characteristic of a stronger base solution.
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Wines are produced from fermentation of crushed grapes. What causes the either white or red color of wine
Answer:
The cause of the color "white" in wine is because the grape's skin is removed before fermentation.
The cause of the color "red" in wine is because the grape's skin is still intact while fermentation
4 Fe + 3 O2 ----> 2 Fe2O3
How many moles of iron(III) oxide, Fe2O3 , will be produced if 4 moles of iron, Fe, are consumed.
Answer:
320 gm
Explanation:
4 Fe + 3 O2 ----> 2 Fe2O3 How many moles of iron(III) oxide, Fe2O3 , will be produced if 4 moles of iron, Fe, are consumed
for every 4 moles of Fe, 2 moles of Fe2O3 are produced.
Fe2O3 has a molar mass of (56 X 2) + (16 X 3) = 112 + 48 =160
160 X 2 =320 gm
how many of the following elements have 2 unpaired electrons in the ground state?
Answer:
I'll h he d Glendale https hehe
Explanation:
grendel v BB hehe iron v
Which of the following is an organic compound?
sulfur oxide (SO)
sodium chloride (NaCl)
water (H 2O)
carbon monoxide (CO)
Answer:
Carbon monoxide (CO)
Explanation:
Organic compounds are generally any chemical compounds that contain "carbon-hydrogen bonds". Due to carbon's ability to catenate, millions of organic compounds are known. The study of the properties, reactions, and syntheses of organic compounds comprise the discipline known as organic chemistry.
If an organic compound has a carbonyl group and a hydroxyl group, with the carbonyl group connected to two R groups, is it considered an alcohol or a ketone? Or can it have properties of both?
Answer:
A carboxyl group (COOH) is a functional group consisting of a carbonyl group (C=O) with a hydroxyl group (O-H) attached to the same carbon atom. Carboxyl groups have the formula -C(=O)OH, usually written as -COOH or CO2H.
What is the frequency of radiation whose wavelength is 2.40×10
Answer:
24
Explanation:
2.40*10=24.0
Question 5 (5 points)
Use the picture below to determine if the following statements are observations or if the statements are inferences. Place a “O” in the blank for an observation and “I” for an inference.
BLANK 1: A person is in the water
BLANK 2: The weather is cold
BLANK 3: The tree branch is broken
BLANK 4: If the boy crawled out of the water the goat would push him back in
BLANK 5: The boy fell off the branch
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
Blank # 1 - Observation
Blank # 2 - Observation
Blank # 3 - Observation
Blank # 4 - Inference
Blank # 5 - Observation
Answer:
Numbers 1,2,3, and 5 are all O
And Number 4 is aN I
Will this reaction occur?
Ca+AlCl3 —>
A.Yes
B.No
Answer:
A.Yes
Explanation:
• Describe evidence that convection cycles/cells exist within the Earth's core and how they connect to
sea floor spreading and subductio zones
Explanation:
Seafloor spreading and other tectonic activity processes are the result of mantle convection .Mantle conversion is the slow churning motion of Earth’s mantle convection carry heat from the lower mantle and core to lithosphere
If, it helps you than mark me as brainlistthe enthalpy of combustion of gasoline is about 45 kj/g. the amount of energy needed to heat 1 g of water from 20 °c to 100 °c is 80 °c x 4.18/g•°c. the enthalpy of vaporization of water is 2540 j/g. what mass of water at 20 °c can 1 g of gasoline heat and boil?
The mass of water that can be boiled by 1 g of gasoline by raising its temperature from 20 °c to 100 °c is 17.6 g.
Now, we know that energy can not be created nor destroyed but it can be converted from one form to another.
The heat produced by the gasoline is equal to the heat gained by water. Mathematically;
1g × 45 × 10^3 = [1 g × 4.18 × (100 - 20) + 2540m]
45 × 10^3 = 334.4 + 2540m
45 × 10^3 - 334.4 = 2540m
m = 45 × 10^3 - 334.4 /2540
m = 17.6 g
The mass of water that can be boiled by 1 g of gasoline by raising its temperature from 20 °c to 100 °c is 17.6 g.
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The missing box would be the number and this is a form of decay.
please help mark brainliest
Answer:
alpha decay or particle
Explanation:
How many molecules of H2O are there in 200,000,000L of gas at STP?
A gas held in a balloon at 5L has its temperature doubled. What will the new volume of the balloon be?
Answer:
2.5l
Explanation:
They higher the temprature the higher the volume
Which among the following is not present in pure sugar ?
[A] Carbon
[B] Hydrogen
[C] Nitrogen
[D] Oxygen
Answer:
Nitrogen
Explanation:
Pure sugar is sucrose C12H22011
the first organisms to convert solar energy into chemical energy were most likely
First organisms to convert solar energy to chemical energy were the organisms which are called as cyanobacteria.
What is chemical energy?
Energy which is stored in the chemical bonds of chemical compounds is called chemical energy.Chemical energy is released during the occurrence of chemical reaction.Reactions wherein energy is given out in the form of heat is called exothermic reactions.
Chemical energy can be converted to other forms of energy like electrical energy during the process of electrolysis and to thermal energy as in the case of thermal engines.
It can also be converted to kinetic energy during explosions . It is stored in batteries, coal, biomass, food, vehicle air bags,etc.During digestion chemical energy is converted to mechanical and thermal energy.
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Write a procedure for "how to crack an egg" in cooking. You must have at least 3 steps. The format of your procedure is more important than the actual steps on how to do it.
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
Here's the procedure to Crack an egg ~
Step 1 ~
Hold the egg in your hand and tap it on a firm surfaceStep 2 ~
Gently pull the shells apartStep 3 ~
And release the yolk in the bowlTwo balloons hold two different gases. The gases are held at the same pressure, volume, and temperature. Which quantity can differ between the two gases?(1 point) the gas constant of each gas the gas constant of each gas the molar volume of each gas the molar volume of each gas the mass of each gas the mass of each gas the number of moles of each gas
Answer:
the mass of each gas
Explanation:
Two balloons hold two different gases. The gases are held at the same pressure, volume, and temperature. Which quantity can differ between
the two gases?(1 point)
the gas constant of each gas
the molar volume of each gas
the mass of each gas
Two balloons hold two different gases. The gases are held at the same pressure, volume, and temperature. Which quantity can differ between the two gases?(1 point) the gas constant of each gas the gas constant of each gas the molar volume of each gas the molar volume of each gas the mass of each gas the mass of each gas the number of moles of each gas
the number of moles of each gas
PV = nRT
The gases have the same P.V, T and n
R is constant AND SO constant for both
the only difference is the molar mass of the gas
for the same number of moles, the balloons will have different weights depending on the gas
so the answer is
the mass of each gas
are most of the elements on the periodic table classified as a metal or a non-metal?
Answer:
Metals
Explanation:
There are more metals next time trying checking the table they will be in colored squares to count to see which has more! HOPE THIS HELPED!
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Will any of these properties change after a couple of hours in the sun
Explanation:
what properties are you talking about?
how long to bring cream cheese to room temperature?
Answer:
about an hour but it might take a little longer it jist depends
help Plz
Relate: What are three ways to organize data?
Explain: What should scientists do if their hypothesis is supported?
Consider: How does the process of inquiry usually begin?
Recognize: What happens if a hypothesis is not supported?
Answer:
When gathering data, whether qualitative or quantitative, we can use several tools, such as: surveys, focus groups, interviews, and questionnaires. To help organize data, we can use charts and graphs to help visualize what's going on, such as bar graphs, frequency charts, picture graphs, and line graphs.
If your hypothesis is supported, you might think of ways to refine your hypothesis and test those. Either way, the process of experimentation often leads to whole new questions to explore. The possibilities are infinite, and the search for knowledge is never-ending.
The scientific method is a process that helps answer questions based on observations, carefully planned experiments and deductive reasoning. All scientific inquiry begins with the identification of a problem or question to be answered based on observation.
If the initial hypothesis is not supported, you can go back to the drawing board and hypothesize a new answer to the question and a new way to test it. ... Either way, the process of experimentation often leads to whole new questions to explore. The possibilities are infinite, and the search for knowledge is never-ending.
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Explanation:
When the metal was added to the calorimeter, some of the water splashed out. How would the loss of water in the Styrofoam cup affect the final temperature
The final temperature of the cup may be less than accurate thereby affecting the entire results of the experiment carried out using the cup.
A styrofoam cup is an insulated material. A styrofoam cup prevents heat gain or looses from the cup. Heat is gained by the water inside the styrofoam cup. The cup prevents exchange of energy with the environment.
When water is lost from the styrofoam cup, the final temperature of the cup may be less than accurate thereby affecting the entire results of the experiment carried out using the cup.
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1. The particles present within the nucleus of an atom are called _______.
Answer:
Hey mate....
Explanation:
This is ur answer.....
Protons & NeutronsHope it helps!
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Follow me! :)
Answer:
the proton and the neutron
The particles present in the nucleus of an atom are the proton and the neutron.
Electrons are present outside the nucleus.
Carbon dioxide, when present in sufficient amounts, will bind with water to form ____________ , which is capable of dissociating into bicarbonate and hydrogen ions.
Answer:
Carbon dioxide, when present in sufficient amounts, will bind with water to form carbonic acid, which is capable of dissociating into bicarbonate and hydrogen ions.
Explanation:
With the help of carbonic anhydrase which further catalyzes the reaction to convert carbonic acid back into carbon dioxide and water. The carbon dioxide is then expelled from the lungs.
Short definition of potential and kinetic energy in a roller coaster ride.
Potential energy is the energy an object has because of where it is in relation to other objects. Kinetic energy is what makes the object move. Many rides use the transfer of potential energy to kinetic energy to move along the track. Hope this helps!