A Sample of Helium Has a Volume of 2 $^{\circ}$ C,and a Pressure of 2

question 68

Multiple Choice

A sample of helium has a volume of 2.00 liters,a temperature of 20.0 $^{\circ}$ C,and a pressure of 2.50 atmospheres.What is the energy needed to heat the sample of helium gas from 20.0 $^{\circ}$ C to 95.0 $^{\circ}$ C at constant volume?

• A) 88.0 J
• B) 137 J
• C) 175 J
• D) 207 J
• E) 476 J

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Definitions:

Interest Rates

The cost of borrowing money or the return on investment for savings, playing a central role in monetary policy and financial decision-making.

Money Demand Curve

A graphical representation showing the relationship between the quantity of money people want to hold and the interest rate, typically depicted as downward sloping.

Interest Rate

The percentage at which interest is charged or paid for the use of money over a period.

Quantity Theory of Money

An economic theory that suggests the general price level of goods and services is directly proportional to the amount of money in circulation.