190. A gas inside a cylinder undergoes the cycle shown in the figure below. How many joules of heat does the gas absorb in this cycle? [Figure: P-V diagram with a cycle. Points: A at $(1\,\text{L},\, 10^5\,\text{Pa})$, B at $(1\,\text{L},\, 3\times10^5\,\text{Pa})$, C at $(4\,\text{L},\, 3\times10^5\,\text{Pa})$, returning to A. Axes: $P\,(\text{Pa})$ vs $V\,(\text{L})$]
\textbf{190.} A gas inside a cylinder undergoes the cycle shown in the figure below. How many joules of heat does the gas absorb in this cycle?
\textit{[Figure: P-V diagram with a cycle. Points: A at $(1\,\text{L},\, 10^5\,\text{Pa})$, B at $(1\,\text{L},\, 3\times10^5\,\text{Pa})$, C at $(4\,\text{L},\, 3\times10^5\,\text{Pa})$, returning to A. Axes: $P\,(\text{Pa})$ vs $V\,(\text{L})$]}
\begin{itemize}
\item[(1)] $500$
\item[(2)] $450$
\item[(3)] $300$
\item[(4)] $150$
\end{itemize}
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