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5. $2.50 \mathrm{~mol}$ of a monatomic ideal gas undergoes 3 processes: i): $(1.50 \mathrm{~atm}, 400 \mathrm{~K}) \rightarrow$ $(3.00 \mathrm{~atm}, 600 \mathrm{~K}), \quad$ ii): $\quad(2.50 \mathrm{~atm}, 20.0 \mathrm{~L}) \rightarrow(2.00 \mathrm{~atm}, 30.0 \mathrm{~L}), \quad$ and iii): $(28.5 \mathrm{~L}, 400 \mathrm{~K}) \rightarrow(42.0 \mathrm{~L}, 400 \mathrm{~K})$. Calculate the following quantities: a. $\Delta U$ and $\Delta H$ for each process. b. $q$ and $w$ for each process. You will need to make an assumption at this stage which you should explicitly write.

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