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liubo4ka [24]
4 years ago
13

Which of the following is a change from a less condensed to a more condensed state of matter?

Chemistry
1 answer:
PIT_PIT [208]4 years ago
7 0
The answer is C. Condensation is a <span>change from a less condensed to a more condensed state of matter. It is a phase change from the gas state to liquid state. The gas is the less condensed state and the liquid is the more condensed state as compared to gas.</span>
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A 35 L tank of oxygen is at 315 K with an internal pressure of 190 atmospheres. How
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Answer:

600.7 moles

Explanation:

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PV = nRT................... Equation 1

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make n the subject of the equation

n = PV/RT............... Equation 2

From the question,

Given: P = 190 atm, V = 35 L, T = 135 K

Constant: R = 0.082 atm.dm³/K.mol

Substitute these values into equation 2

n = (190×35)/(135×0.082)

n = 600.7 moles of xygen

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