A Sealed Container Holds 0

question 48

Multiple Choice

A sealed container holds 0.020 moles of ideal nitrogen (N₂) gas,at a pressure of 1.5 atm and a temperature of 290 K.The atomic mass of nitrogen is 14.0 g/mol.What is the average translational kinetic energy of a nitrogen molecule? The Boltzmann constant is 1.38 × 10^-23 J/K.

• A)4.0 × 10²¹ J
• B)6.0 × 10²¹ J
• C)8.0 × 10²¹ J
• D)10 × 10²¹ J
• E)12 × 10²¹ J

---

Definitions:

Standard Error

A statistical measure that quantifies the accuracy with which a sample distribution represents a population by describing the dispersion of sample means around the population mean.

Population Standard Deviation

A measure of the dispersion of a population’s values from the mean, indicating how spread out the data points are.

Sample Size

The number of observations or elements selected from a population to study certain characteristics.

Standard Error

A statistical measure that estimates the accuracy with which a sample distribution represents a population, often used in the calculation of confidence intervals.