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The molar heat capacity of oxygen gas is given by the expression Cv=a+bT+cT2 where a, b and c are constants. What will be the change in the internal energy of 8 g of oxygen, if it is heated from 200 K to 300 K at constant volume? Assume oxygen to be an ideal gas. (Given, a=1.2 JK−1mol−1, b=12.8×10−2JK−2mol−1, c=1.0×10−7JK−3mol−1). |
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Answer» The molar heat capacity of oxygen gas is given by the expression Cv=a+bT+cT2 where a, b and c are constants. What will be the change in the internal energy of 8 g of oxygen, if it is heated from 200 K to 300 K at constant volume? Assume oxygen to be an ideal gas. (Given, a=1.2 JK−1mol−1, b=12.8×10−2JK−2mol−1, c=1.0×10−7JK−3mol−1). |
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