MyQuestionIcon

1

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

Sucrose

In the combus...

Question

In the combustion of $C O$ ,
$Δ H$ > $Δ U$ .
If true 1 else 0.
0

Open in App

Solution

The correct option is A 0
As we know,
$Δ H$ = $Δ U + Δ n_{g} R T$
here,
$2 C O + O_{2} ⟶ 2 C O_{2}$
$Δ n_{g} = 1 - 2 = - 1$
so,
$Δ H$ = $Δ U - R T$
$Δ H$ < $Δ U$

Suggest Corrections

thumbs-up

0

Similar questions

Q. For gaseous reactions, if

Δ H

is the change in enthalpy and

Δ U

that in internal energy, then

Δ H

is always greater than

Δ U

.
If true 1 else 0.

Q. For gaseous reactions, if

Δ H

is the change in enthalpy and

Δ U

that in internal energy, then

Δ H > Δ U

if the number of mole of the products is less than reactants.
If true 1 else 0.

Q. In the relation

Δ H = Δ U + (Δ n_{g}) R T

Δ n_{g}

is mol.If true enter 1 else o

C_{4} H_{10} (g) + \frac{13}{2} O_{2} (g) ⟶ 4 C O_{2} (g) + 5 H_{2} O (l); Δ H = - 2878 k J

Δ H

is the heat of combustion of butane gas.If true enter 1 else 0

Q. Heat changes at constant pressure and constant volume are expressed in terms of

Δ H

Δ U

respectively.
If true enter 1, else enter 0.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Disaccharides

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon