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Heat needed to raise the temperature of 14 g of nitrogen at constant pressure

The same question, asked 3 times: 26 Apr 2025 S1*, 17 Apr 2026 S1*, 15 May 2026 S1. Every wording below, oldest first.

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  1. Question 1

    26 Apr 2025 S1

    26
    The heat energy that must be supplied to 14 gram of nitrogen at room temperature to raise its temperature by 48∘C48^{\circ}C at constant pressure is (Molecular weight of nitrogen =28,R== 28,R = gas constant, Cp=72RC_{p}=\frac{7}{2}R for diatomic gas)

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  2. Question 2

    17 Apr 2026 S1

    116
    The heat energy that must be supplied to 14 g of nitrogen at room temperature to raise its temperature by 48 ∘C48\ ^\circ\mathrm{C} at constant pressure is (RR = gas constant, Molecular weight of nitrogen (N2\mathrm{N_2}) = 28)

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  3. Question 3

    15 May 2026 S1

    115
    How much heat energy in joule must be supplied to 1414 g of nitrogen at room temperature to raise its temperature by 40∘C40^\circ\mathrm{C} at constant pressure? (molecular wt. of nitrogen = 2828 g, RR = gas constant) (gas is diatomic)

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