KVPY 2020-21 SA Exam Previous Papers

Question : 73 of 80

Marks: +1, -0

The specific heat of a certain substance is 0.86 J g

^{–1}

^{–1}

. Assuming ideal solution behaviour, the energy required(in J) to heat 10 g of 1 molal of its aqueous solution from 300 K to 310 K is closest to
[Given: molar mass of the substance = 58 g mol

^{–1}

; specific heat of water = 4.2 J g

^{–1}

^{–1}

]

401.7
424.7
420.0
86.0

Validate

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