MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Thermodynamic Processes

Which reactio...

Question

Which reaction, with the following values of AH,AS, at 400 K is spontaneous an d endothermic?AH=-48 kJ; AS = + 135 J/K(2) AH =-48 kJ; AS =- 135 J/K135 J/K73) AH = +48 kJ; AS- 135 J/K+48 kJ; AS( 4 ) Δ Η-

Open in App

Solution

Suggest Corrections

thumbs-up

13

Similar questions

Q. Data given for the following reaction is as follows:

F e O_{(s)} + C_{(g r a p h i t e)} ⟶ F e_{(s)} + C O_{(g)}

Substance	$Δ_{f} H^{o}$ $(k J {mol}^{- 1})$	$Δ S^{o}$ $(J {mol}^{- 1} K^{- 1})$
$F e O_{(s)}$	-266.3	57.49
$C_{(g r a p h i t e)}$	0	5.74
$F e_{(s)}$	0	27.28
$C O_{(g)}$	-110.5	197.6

The minimum temperature in K at which the reaction becomes spontaneous is

Q. For a certain reaction,

Δ H^{0}

Δ S^{0}

respectively are 400 kJ and 200 J/Mole/K. The process is non-spontaneous at:

Q. Determine whether the reactions with the following

Δ

Δ

S values are spontaneous or non-spontaneous. State whether the reactions are exothermic or endothermic.
(a)

Δ

= - 110

Δ

= + 40 J K^{- 1}

400

Δ

= + 40

Δ

= - 120 J K^{- 1}

250

In certain chemical Reaction, $Δ H = 150 K J$ and $Δ S = 100 J / K$ at $300 K$ . The value of $Δ G$ would be

In a chemical reaction ∆H = 150 kj and ∆S = 100j/k at 300 K. Therefore ∆G will be:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

First Law of Thermodynamics

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Thermodynamic Processes

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon