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MassachusettsChemistryQuick questions

Module 4: States of matter and gas laws

Quick questions on The ideal gas law and molar volume - MA High School Chemistry Module 4

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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How many moles of gas are in 44.8 L at STP? Use 22.4 L/mol. [1]
What is q2?
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What volume does 3.0 mol of nitrogen occupy at STP? [1]
What is mismatched units with the gas constant?
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With R=8.31 J/(mol⋅K)R = 8.31\ \text{J/(mol·K)}, pressure must be in pascals and volume in cubic meters. Mixing kPa and liters without care gives an answer off by a factor of a thousand.

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