The amount of heat energy required to raise the temperature-of 1g of Helium at NTP- from T-K to T-K is -2013-a- 3-2 N-kB-T- - T-b- 3-4 N-kB-T- - T-c- 3-4 N-kB T-T-d- 3-8 N-kB-T- - T-

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Preparation of Hydrogen from Cold Water and Metals

The amount of...

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The amount of heat energy required to raise the temperature of 1g of Helium at NTP, from T₁K to T₂K is [2013] (a) 3/2 NₐkB(T₂ – T₁) (b) 3/4 NₐkB(T₂ – T₁) (c) 3/4 NₐkB T₂/T₁ (d) 3/8 NₐkB(T₂ – T₁)

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T_{1}

T_{2}

T_{1} K

T_{2} K

S = a T^{3}

a

T

T = 1 K

T = 2 K

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T

T / 3

T^{3}

C = k \frac{T^{3}}{θ^{3}} k = 1940 J m o l^{- 1} K^{- 1} θ = 281 k

2

10 k

50 K

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