$[-/6$ Points$]$

SERCP$1112.$XP$.003.$

The specific heat of steam at atmospheric pressure is $2,010\frac{J}{k}g*C.$ Evaluate the energy required to raise the temperature of $3\mathrm{.}80$ kg of steam from $108C$ to $132C.$

$$

$20.[-/6$ Points$]$

SERCP$1112.$XP$.004.$

An ideal gas has initial volume of $0\mathrm{.}340m^3$ and pressure of $9\mathrm{.}50{10}^{4}Pa.$

$($a$)$ If the initial temperature is $290$ K $,$ find the number of moles of gas in the system.

mol

$($b$)$ If the gas is heated at constant volume to $394$ K $,$ what is the final pressure?

Pa