1.

What amount of heat must be supplied to 2.0 × 10^(–2) kg of nitrogen (at room temperature) to raise its temperature by 45 °C at constant pressure ? (Molecular mass of N_(2) = 28, R = 8.3 J mol^(–1) K^(–1).)

Answer»

933 J
1037 J
1868 J
467 J

Answer :A


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