As carbon dioxide (CO2) changes from its solid state to gaseous state, what happens to the energy and motion of the particles?

1 answer:

8 0

1) As carbon dioxide changes from solid state to gaseous state, the particles gain energy and move faster.

The molecule of CO2 gain energy which results in greater separation of each other and freer and faster movement

2) When a substance undergoes a change of state its mass does not change

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The formula or chemical formula of a compound is same irrespective of source / mode of synthesis . Thus if a sample of compound has one carbon atom for every two atoms of oxygen (CO2), the formula will remains the same

So the answer is that for all other samples the compound X should hold this ration true.

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Answer:

1. Reflex Conditioning

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Which units are used to measure both velocity and speed? Select three options

Ede4ka [16]

Answer and Explanation:

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#teamtrees #PAW (Plant And Water)

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a chemical reaction produced 2.50 moles of nitrogen gas. what volume in liters, does this gas sample occupy at STP? (show your w

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The volume of N₂ at STP=56 L

<h3>Further explanation</h3>

Given

2.5 moles of N₂

Required

The volume of the gas

Solution

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, the volume per mole of gas or the molar volume-Vm is 22.4 liters/mol.

So for 2.5 moles gas :

$\tt 2.5\times 22.4=56~L$