3 years ago

How many mole ratios can be correctly obtained from the chemical equation 2NO ® N2 + O2? Select one:

Chemistry

1 answer:

pychu [463]3 years ago

4 0

3. between NO and N2 between NO and O2 and between N2 and O2

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According to the kinetic molecular theory particles of matter

DiKsa [7]

Answer:

The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. ... Molecules in the solid phase have the least amount of energy, while gas particles have the greatest amount of energy. The temperature of a substance is a measure of the average kinetic energy of the particles.

Explanation:

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3 years ago

A 350.0 ml sample of gas has a temperature of 22.7 C and a pressure of 0.914 atm. What temperature would be needed for the same

Rus_ich [418]

Answer:

Explanation:

We shall apply gas law formula

P₁ V₁ / T₁ = P₂V₂ / T₂

.914 x 350 / ( 273 + 22.7 ) = 1 x 220 / T₂

1.0818 = 220 / T₂

T₂ = 203.36 K

= - 69.64 ⁰ C

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3 years ago

A sample of gold has a mass of 15.7 g and displaces 0.81 cm3 of eater in a graduated cylinder. What is the density of gold?

Ostrovityanka [42]

Answer: 19.4 g/cm3

Explanation: density is the relationship between mass over volume.

So density of gold is 15.7g/0.81cm3 = 19.4 g/cm3

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On a hot day, you sit on the edge of a pool and dip your feet into the water, causing changes to occur that are related to the p

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The answer is b and d

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If the thermal energy of the system increases by 400 j and 1100 j of heat were added to the system how much work did the system

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your answer should be 700J

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