15.1. The mole
A subsection of Physics, 9702, through 15. Ideal gases
Listing 5 of 5 questions
State what is meant by a mole. Two containers A and B are joined by a tube of negligible volume, as illustrated in . container A 3.1 × 103 cm3 17 °C container B 4.6 × 103 cm3 30 °C The containers are filled with an ideal gas at a pressure of 2.3 × 105 Pa. The gas in container A has volume 3.1 × 103 cm3 and is at a temperature of 17 °C. The gas in container B has volume 4.6 × 103 cm3 and is at a temperature of 30 °C. Calculate the total amount of gas, in mol, in the containers. amount = mol
9702_s11_qp_42
THEORY
2011
Paper 4, Variant 2
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State what is meant by a mole. Two containers A and B are joined by a tube of negligible volume, as illustrated in . container A 3.1 × 103 cm3 17 °C container B 4.6 × 103 cm3 30 °C The containers are filled with an ideal gas at a pressure of 2.3 × 105 Pa. The gas in container A has volume 3.1 × 103 cm3 and is at a temperature of 17 °C. The gas in container B has volume 4.6 × 103 cm3 and is at a temperature of 30 °C. Calculate the total amount of gas, in mol, in the containers. amount = mol
9702_s11_qp_43
THEORY
2011
Paper 4, Variant 3
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Questions Discovered
5