Question #8fca6

1 Answer
Jan 31, 2017

"1090 K"1090 K

Explanation:

Your tool of choice here will be the combined gas law equation, which looks like this

color(blue)(ul(color(black)((P_1V_1)/T_1 = (P_2V_2)/T_2)))

Here

  • P_1, V_1, T_1 are the pressure, volume, and absolute temperature of the gas at an initial state
  • P_2, V_2, T_2 are the pressure, volume, and absolute temperature of the gas at a final state

In your case, you know that

T_1 = "273 K"

and that the pressure and volume of the gas must double as a result of the increase in temperature. You can say that

P_2 = 2 * P_1" " and " "V_2 = 2 * V_1

Rearrange the combined gas law equation to solve for T_2

(P_1V_1)/T_1 = (P_2V_2)/T_2 implies T_2 = P_2/P_1 * V_2/V_1 * T_1

Plug in your values to find

T_2 = (2 * color(red)(cancel(color(black)(P_1))))/color(red)(cancel(color(black)(P_1))) * (2 * color(red)(cancel(color(black)(V_1))))/color(red)(cancel(color(black)(V_1))) * "273 K" = color(darkgreen)(ul(color(black)("1090 K")))

The answer is rounded to three sig figs.