Question

14. A sample of carbon dioxide occupies a 2.54 dm² container at STP. What is the volume of the gas at a
pressure of 150.0 kPa and a temperature of 26.0°C?
0.180 dm
c. 2.24 dm3
b. 1.88 dm
d. 4.65 dm3

Answer 1

Your answer is D. Hope this helps

Answer 2

By using combined gas law , volume will be 1.88 $dm^{3}$.

What is combined gas law?

The combined gas law contains the laws of Charles, Boyle, and Gay-Lussac. When you know the pressure, volume, and temperature of a system and need to modify one of these, you can apply this law to compute the resulting unknown.

Combined gas law is expressed as:

$\frac{P_{1} V_{1}}{T_{1}}=\frac{P_{2} V_{2}}{T_{2}}$

Calculation of volume by using combined gas law

It is given that, $V_{1}$ = 254$dm^{3}$, at STP P = 101.3 kPa and T = 273 K

Now, put the value of given data in above equation.

$V_{2}$ = (254$dm^{3}$) (101.3 kPa) (26+273) /(150 kPa) (273)

$V_{2}$ = 1.88 $dm^{3}$.

By using combined gas law  volume will be 1.88 $dm^{3}$.

To know about combined gas law.

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