Answer:
Molecules in the water move in a circular motion
Explanation:
Because of its circular motion it causes the waves to look like open circles which makes it easy for people to surf on
Water molecules move up and forward, down and back, in an overall circular motion in the wave. Therefore, option A is correct.
What is circular motion ?Circular motion is defined as the movement of an object while rotating in a circle. Circular motion can be uniform or asymmetric.
The angular rate of rotation and speed are constant in uniform circular motion, but the rate of rotation changes in non-uniform circular motion.
This means that circular motion can occur only if there is a "center seeking" force present; otherwise, things will travel in a straight line.
Within the wave, the water molecules move in a circular motion. Each water particle moves in a complete circle during a single wave period. The circle traced by a water particle on the ocean surface as a wave passes a given point has a diameter equal to the height of the wave.
Thus, option A is correct.
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A 12.0 g sample of O2gas is inside a rigid, metal container with a volume of 5.00 L at 3.00 atm of pressure. What is the temperature of the gas?
Name the type of light interaction feeling hotter in a black shirt than a white shirt
1. Reflected
2. Absorbed
3. Transmittied
Explain what a convection current is and how it causes winds in the atmosphere.
Electrical energy exists when charged particles attract or repel each other.
PLEASE HELP
True or false
I think true..
Explanation:
im not sure.
i really need help, this is important to me, if not i get my harry styles tickets taken away and if that happens my life is over lol, i’m not saying it for sympathy i just REALLY need help
Explanation:
First Question
Group 18 elements. This is because the noble elements do not conduct electricity.
Second Question
Chewing in the mouth breaks food into small pieces
Third Question
How many atoms of each element are present in the molecule?
7 carbon atoms, 14 Hydrogen atoms and 1 oxygen atom
How many grams of Sulfur are there in 2.05 x 10^25 molecules of Calcium Sulfate?
Answer:
1090 grams Sulfur (3 sig-figs)
Explanation:
Given 2.05 x 10²⁵ molecules CaSO₄ => 2.05 x 10²⁵ Sulfur atoms (subscript = 1 mole).
Converting 2.05 x 10²⁵ sulfur atoms to moles, divide by Avogadro's Number
(= 6.023 x 10²³ sulfur atoms / mole sulfur) => 2.05 x 10²⁵ sulfur atoms/6.023 x 10²³ sulfur atoms/mole sulfur atoms = 34.036 moles sulfur atoms.
Converting 34.036 moles sulfur to grams sulfur multiply by formula wt. of sulfur (=32g/mole S)
=> 34.036moles S x 32g/mole S = 1089.158 grams S ≅ 1090 g S (3 sig-figs)
Humans become part of the carbon cycle when they
A. breathe in carbon dioxide,
B. release carbon as a waste product,
C. produce new carbon compounds in their cells,
Answer:
Human activities have a tremendous impact on the carbon cycle
Explanation:
Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. ... The ocean absorbs much of the carbon dioxide that is released from burning fossil fuels.
helppp its qboutt cellsss
Answer:
sorry if this is wrong but B
Explanation:
ITS C
Oxygen, APT, and Glucose
For a theoretical yield of 5.52 g and percent
yield of 51.7877%, calculate the actual vield
for a chemical reaction.
Answer in units of g.
Answer:
2.85868104g
Explanation:
Actual yield
Theoretical yield x 100 = 51.7877%
So, do the inverse and you get 2.85868104g
An atom of an element always contains
Answer:
An atom of an element always contain three fundamental particles called electrons(e-) , neutron ( n zero) and protons ( p+)
An atom of an element always contains a proton, electron and neutron.
What is an atom ?Every atom is made up of a nucleus and one or more electrons that are attached to the nucleus. One or more protons and a number of neutrons make up the nucleus. Only the most common type of hydrogen is neutron-free. Every solid, liquid, gas, and plasma is made up of atoms that are either neutral or ionized.
But when it comes to the word atom, we must go back to 400 B.C. Greece. And Democritus, a brilliant philosopher, proposed the Greek word atomos, which means uncuttable.
Every atom is made up of a nucleus and one or more electrons that are attached to the nucleus. One or more protons and a number of neutrons make up the nucleus.
Thus, An atom of an element always contains a proton, electron and neutron.
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What are the charges on ions of Group 1A, Group 3A (aluminum), and Group 5A?
Answer:
Group 1A: 1+
Group 3A: 3+
Group 5A: 3+ or 5+
Explanation:
Please help pretty please
Answer: Its is a field generated by any two objects touching each other.
OR
Answer: Its is a field generated by any object with any mass.
Explanation: I AM SOOOO SORRY if i get it wrong i pretty sure the first one is right i mean like My first ansewr i typed in......... :/ :/
Calculate the number of moles in 3.440 x 10^35 formula units of RbF. (Molar mass of RbF is 104.47g/mol).
I’ll really appreciate it if you help me out on this one .
Answer:
3) All the animals and plants in a desert
4) Species becoming extinct
How many electrons are in the nucleus of an atom with 2 protons and 3 neutrons
Answer:
there'd be 2 electrons
Explanation:
number of electrons= number of protons
Plz help! I will give brainliest.
Answer:
D. 0.50
Explanation:
Use avogadro number to find the whole work.
PLS HELP URGENT
Electron dot diagrams
Use your periodic table to write the electron dot diagrams for the following atoms.
1. Calcium (Ca)
2. Polonium (Po)
3. Moscovium (Mc)
4. Boron (B)
5. Fluorine (F)
How are chemical equations balanced?
On the periodic table, in which period is copper?
Answer:
At the top of Group 11 above silver and gold.
Period 4
Explanation:
specific heat is defined as the amount of heat in what
Answer:
Specific heat is the amount of energy that must be added, in the form of heat, to one unit of mass of the substance in order to cause an increase of one unit in temperature.
Explanation:
Answer:
Specific heat is the amount of energy that must be added, in the form of heat, to one unit of mass of the substance in order to cause an increase of one unit in temperature.
Explanation:
what physical properties does radium have
Answer:
Radium is silvery, lustrous, soft, intensely radioactive. It readily oxidizes on exposure to air, turning from almost pure white to black. Radium is luminescent, corrodes in water to form radium hydroxide. Although is the heaviest member of the alkaline-earth group it is the most volatile..
The diagram shows a pedigree for a recessive inherited trait. If H represents the dominant allele and h represents the recessive allele what are the genptypes of the parents shown in the pedigree.
Answer:
Hh
Explanation:
if you have a dominant allele and a recessive allele they'd be different (heterozygous)
If H represents the dominant allele and h represents the recessive allele, Hh is the genotypes of the parents shown in the pedigree.
What is genotypes?The type of variation present at a specific locus (i.e., region) in the genome is scored by what is known as a genotype. Symbols can be used to symbolize it. For illustration, BB, Bb, and bb might be employed to denote a certain gene variant.
The actual DNA sequence, such as CC, CT, or TT, can also serve as a representation of a genotype. In a single experiment, the genotypes spanning millions of sites in a genome can be determined using DNA sequencing as well as other techniques. If H represents the dominant allele and h represents the recessive allele, Hh is the genotypes of the parents shown in the pedigree.
Therefore, Hh is the genotypes of the parents shown in the pedigree.
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A compound and oxidant react to produce heat and a new product is what reaction
Answer:
A compound and oxidant react to produce heat and new product is chemical reaction.
In an experiment, students were instructed to equally heat a sample of soil and a sample of water with heat lamps and then measure the temperature of each sample every minute for five minutes. The results are shown in the table.Which of the following predictions is BEST supported by the data?
Answer:
Explanation:
D. i had this on my science test!!!
Answer:
D
Explanation:
yup its D
Molar Volume of a gas at STP=22.4 L Example 3: Determine the volume of Carbon dioxide created when 15.0 grams of NaHCO3 are decomposed into water, Sodium carbonate, and Carbon dioxide at STP?
Answer:
20009 is answer is right 1345678899444
Explanation:
thhjbfthvcdthvctyhgffdy
gvhjk ghkde ghjcddxxb hhj hhgddxb ggjbcxdss ggbbsrtyg fy gbsdgh
(Help would be greatly appreciated, chemistry is not my strong suit) How many moles of NaCl are present in a solution with a molarity of 8.59M and 125mL of a solution?
1. 1.07g
2. 62.7mol
3. 1.07mol
4. 62.7g
Molarity is a unit of concentration defined as the number of moles of solute (the substance being dissolved) per volume of solution (the solvent in which all the solute is dissolved). Mathematically, molarity is expressed as
[tex]M = \frac{\text{ mol solute}}{\text{ L solution}}[/tex].
In this question, we are given the molarity and the volume of a solution of NaCl. We can use this information to calculate the number of moles of NaCl present in the solution. Rearranging the equation to solve for moles of solute, we multiply the molarity by the volume of the solution (the units for volume must be in liters, so 125 mL is expressed as the equivalent 0.125 L):
[tex](8.59 \text{ M})(0.125 \text{ L}) = 1.07 \text{ moles of NaCl}.[/tex]
The question asks for the number of moles of NaCl in this solution, so number 3 would be correct.
what is the formula for carbon decabromide?
Answer:
CBr4
Explanation:
Answer:
CBr4
Explanation:
It is CBr4 I hope it helps
State the name of the ion which is oxidised in the following half equations. Cathode: Na+ + e– → Na Anode: 2Cl– → Cl2 + 2e–
Answer:
hahahahhahhhahahaha
Explanation:
haahahahahhahahhaha
What type of reaction is shown here?
2 NO2-202 + N2
O Double replacement
O Combustion
O Decomposition
O Single replacement
Synthesis
The given reaction is the type of Decomposition reaction. A decomposition reaction occurs when one reactant splits into many products.
What does a reaction's breakdown entail?Chemistry reaction reactions of decomposition. Decomposition reactions occur when complex chemical entities split apart into smaller components. Decomposition reactions often demand energy input.
What are the names for decomposition reactions?Decomposition reactions are those that divide or break the compounds into two simpler products. Because two or more reactants are combined to create a single product in a combination reaction, they are known as the reverse of combination reactions.
The exothermic nature of a decomposition reaction is why?It entails the severing of ties. Energy is necessary to dismantle the bonding between atoms. Decomposition advances when energy in the form of heat or electricity is provided. As the bond is broken during this reaction, energy is given to them, making them endothermic processes.
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True or false The force of gravity acting on an object is measured by weight.
Answer:
true
Explanation:
we need gravity to stay on ground
Answer:
True.
Explanation:
Weight in a physics or scientific sense is defined mathematically as "mass times gravity." It is literally a measure of the force of gravity pulling mass downward towards Earth (or whatever object you're considering).