A Sealed Container Holds 0

question 39

Multiple Choice

A sealed container holds 0.020 moles of nitrogen (N₂) gas, at a pressure of 1.5 atmospheres and a temperature of 290 K. The atomic mass of nitrogen is 14.0 g/mol. The Boltzmann constant is 1.38 × 10^-23 J/K and the ideal gas constant is R = 8.314 J/mol · K = 0.0821 L · atm/mol · K. The mass density of the gas is closest to

• A) 0.90 kg/m³
• B) 1.3 kg/m³
• C) 1.8 kg/m³.
• D) 2.2 kg/m³
• E) 2.6 kg/m³

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Definitions:

Teaspoons

A small measuring spoon used primarily in cooking and baking to measure an amount of an ingredient, typically equal to about 5 milliliters.

Fractions

Mathematical expressions representing the division of one quantity by another, indicating a part of a whole.

Lowest Terms

The most basic version of a fraction in which both the numerator and denominator are minimized to their lowest possible figures, yet the fraction's value remains unchanged.

Mixed Numbers

A number consisting of an integer and a fraction, used to represent quantities that are more than a whole but less than the next whole number.