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Entropy

The units of ...

Question

The units of entropy are

J mol

^{- 1}

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J K

^{- 1}

mol

^{- 1}

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J g

^{- 1}

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J K mol

^{- 1}

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Open in App

Solution

The correct option is B J K $^{- 1}$ mol $^{- 1}$
$T Δ S$ has dimensions of energy per mole (J/Mol)
$∴ Δ S$ has dimension of J mol $^{- 1}$ K $^{- 1}$

Suggest Corrections

Similar questions

(S^{o})

C H_{4} (g) = 186.2 J K^{- 1} m o l^{- 1}

O_{2} (g) = 205.0 J K^{- 1} m o l^{- 1}

C O_{2} (g) = 213.6 J K^{- 1} m o l^{- 1}

H_{2} O (l) = 69.9 J K^{- 1} m o l^{- 1}

(Δ S^{o})

C H_{4} (g) + 2 O_{2} (g) \to C O_{2} (g) + 2 H_{2} O (l)

H_{2} (g) + C l_{2} (g) ⟶ 2 H C l (g)

298 K

S_{H_{2}}^{⊖} = 131 J K^{- 1} m o l^{- 1}

S_{C l_{2}}^{⊖} = 223 J K^{- 1} m o l^{- 1}

S_{H C l}^{⊖} = 187 J K^{- 1} m o l^{- 1}

100^{\circ} C

40.63 {kJ mol}^{- 1}

X \to Y + Z

X, Y

Z

120 J K^{- 1} m o l^{- 1}, 213.8 J K^{- 1} m o l^{- 1} a n d 197.9 J K^{- 1} m o l^{- 1}

△_{v a p} H = 40.98 k J m o l^{- 1} .

H_{2} O_{(l)} \to H_{2} O_{(g)}

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