Questions by TabathaHerma

0 votes

1 answer 26 views

Calculate the standard enthalpy of formation for propene (C3H6) given that the standard enthalpy of combustion of propene is -1411.1 kJ/mol and the standard enthalpy of formation of carbon dioxide (CO2) and water (H2O) are -393.5 kJ/mol and -285.8 kJ/mol respectively.

asked Feb 3 in Chemical thermodynamics

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1 answer 48 views

Calculate the bond dissociation energy of the H-H bond in the H2 molecule. Given the bond length of H2 is 74 pm and the enthalpy change for the reaction H2(g) → 2H(g) is 436 kJ/mol.

asked Jan 23 in Chemical bonding

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1 answer 60 views

How does the social disorganisation theory explain the role of neighbourhood factors in violence?

asked Jan 20 in Psychology

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1 answer 38 views

How can the door-in-the-face technique be used for social change?

asked Jan 20 in Psychology

0 votes

1 answer 29 views

What protects a developing flower while it is still a bud?

asked Jan 7 in Science

0 votes

1 answer 40 views

How long can carbon be stored in sedimentary rock?

asked Dec 30, 2024 in Science

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