객관식
You have a gas sample of carbon dioxide at 298 K in a 2.00 L container containing 0.500 mol of CO_2. Using the ideal gas law, what is the pressure of your gas sample in atm?
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7. Gases
The Ideal Gas Law
객관식
Using the ideal gas law, what is the temperature (in K) of 0.300 mole of neon gas in a 2.00 L vessel at 4.68 atm?
A
273 K
B
450 K
C
381 K
D
182 K
검증된 단계별 안내1
Identify the known variables from the problem: number of moles \(n = 0.300\) mol, volume \(V = 2.00\) L, pressure \(P = 4.68\) atm, and the gas constant \(R = 0.0821\) L·atm/(mol·K). The temperature \(T\) is the unknown we need to find.
Write down the ideal gas law equation: \(P \times V = n \times R \times T\).
Rearrange the ideal gas law to solve for temperature \(T\): \(T = \frac{P \times V}{n \times R}\).
Substitute the known values into the rearranged equation: \(T = \frac{4.68 \times 2.00}{0.300 \times 0.0821}\).
Perform the arithmetic to calculate \(T\) (temperature in Kelvin) using the substituted values.
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