3 years ago

What is the difference between theory and hypothesis

1 answer:

6 0

Answer:

A theory is something to explain to someone and a hypothesis is a question you ask your self before an experiment. I THINK

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Which of the following is the best example of kinetic energy being transformed into potential energy?

galben [10]

Answer:

The correct answer is A

Explanation:

That water stops moving once it gets to the dam and turns into potential energy

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3 years ago

Determine the number of grams in each of the quantities<br><br> 1.39.0 x 1024 molecules Cl2

STatiana [176]

Mass of Cl₂ : 164.01 g

<h3>Further explanation</h3>

A mole is a number of particles(atoms, molecules, ions) in a substance

This refers to the atomic total of the 12 gr C-12 which is equal to 6.02.10²³, so 1 mole = 6.02.10²³ particles

Can be formulated :

N = n x No

N = number of particles

n = mol

No = 6.02.10²³ = Avogadro's number

mol Cl₂ :

$\tt n=\dfrac{N}{No}\\\\n=\dfrac{1.39.10^{24}}{6.02.10^{23}}\\\\n=2.31$

mass Cl₂(MW=71 g/mol) :

$\tt mass=mol\times MW\\\\mass=2.31\times 71=164.01$

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The chemical equation shows how ammonia reacts with sulfuric acid to produce ammonium sulfate. 2NH3(aq) + H2SO4(aq) (NH4)2SO4(aq

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If it takes 38.70cm³ of 1.90 M NaOH to neutralize 10.30cm³ of H2SO4 in a battery, What's the Molarity of the H2SO4 ?

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Explanation:Please see attachment for explanation

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Which is the best term to use when describing the energy of motion?

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Kinetic. Transform to chemical energy in muscles

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