Bond energy of hydrogen gas is -433 kJ. How much is the bond dissociation energy of 0.5 mole of hydrogen gas?

Question

Bond energy of hydrogen gas is -433 kJ. How much is the bond dissociation energy of 0.5 mole of hydrogen gas?

Bond energy of hydrogen gas is -433 kJ. How much is the bond dissociation energy of 0.5 mole of hydrogen gas?
A. `-433kJ`
B. `+433kJ`
C. `-216kJ`
D. `+216kJ`

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

Related Questions

The molar conductivity of `0.025mol L^(-1)` methanoic acid is `46.1 S cm^(2)mol ^(-1).` Calculate its degree of dissociation and dissociation constant

2 Answers 5 Views

One mole of a monoatomic ideal gas is mixed with one mole of a diatomic ideal gas . The molar specific heat of the mixture at constant volume is

2 Answers 7 Views

The H-H bond energy is 430 kJ `mol^(-1)` and Cl-Cl bond energy is 240 kJ `mol^(-1)`, `DeltaH and HCl` is -90kJ. The H-Cl bond energy is about

2 Answers 7 Views

If the end energies of H-H, Br-Br and H-Br are 433, 1992 and 364 kJ `mol^(-1)` respectively, then `DeltaH^(@)` for the reaction, `H_(2)(g)+Br_(2)(g)to

2 Answers 4 Views

For the reaction, `2H_(2)+O_(2) to 2H_(2)O,DeltaH=571.` bond energy of H-H=435, O=O=498, then calculate the average bond energy of O-H bond using the

2 Answers 4 Views

The bond energy of ann O-H bond is 109 kcal/mol. When 1 mole of water is formed, then

2 Answers 4 Views

A salt is formed when a weak acid of dissociation constant `10^(-4)` and weak base of dissociation constant `10^(-5)` are mixed. The pH and degree of

2 Answers 6 Views

At STP, a container has 1 mole of Ar, 2 mole of `CO_(2)`, 3 moles of `O_(2)` and 4 moles of `N_(2)`. Without changing the total pressure if one mole o

2 Answers 5 Views

Total random kinetic energy of the molecules in 1 mole of a gas at a temperature of 300 K is (R = 2 cal/mole °C)

2 Answers 13 Views

2 mole of ethanol is dissolved in 8 mole of water. The mole fraction of water in the solution is

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Bond dissociation energy=-bond formation energy given, bond energy of hydrogen =-433kJ
`therefore`Bond dissociation energy of one mole of `H_(2)=-433kJ`
`therefore`Bond dissociation energy of 0.5 mole of `H_(2)=(433)/(2)`
`=+216.5kJ`

6 views Answered 2023-02-05 15:29