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Agata [3.3K]
3 years ago
15

When air is heated, its density A. Increases B. Decreases C. stays the same

Chemistry
2 answers:
soldier1979 [14.2K]3 years ago
6 0

Answer:

a

Explanation:

Stels [109]3 years ago
4 0

Answer:

A. Increases

Hope this helps!

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How many moles of gas occupy 98L at a pressure of 2.8atm and a temperature of 292k? and what law would you use?
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Let's assume that the gas has ideal gas behavior.

Then we can use ideal gas equation,
PV = nRT

Where, P is Pressure of the gas (Pa), V is volume of the gas (m³), n is the number of moles of gas (mol), R is the Universal gas constant (8.314 J mol⁻¹ K⁻¹) and T is the temperature in Kelvin (K)

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Hence,moles of gas is 11.45 mol.
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