Use the Following to Answer the Question

question 58

Multiple Choice

Use the following to answer the question:
-An ideal gas initially at 100ºC and pressure P₁ = 250 kPa occupies a volume V₁ = 4.5 L.It undergoes a quasistatic,isothermal expansion until its pressure is reduced to 150 kPa.How much heat enters the gas during this process? R = 8.314 J/mol·K = 8.206 L·atm/mol·K.

• A)116 J
• B)320 J
• C)575 J
• D)640 J
• E)850 J

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Definitions:

Variance

A numerical indicator that shows the distribution or variability of a dataset around its average value.

SPSS Output

The results and data analyses generated by the Statistical Package for the Social Sciences software after processing information.

Correlation Coefficient

A numerical measure of some type of correlation, meaning a statistical relationship between two variables, ranging from -1 to 1.

Mean

A type of average calculated by summing values and dividing that sum by the number of values.