Consider the following two reactions: A 2B Hrxn = 456.7 kJ/mol A ...

[jwb375]

Consider the following two reactions: A  2B Hrxn = 456.7 kJ/mol A  C Hrxn = -22.1 kJ/mol Determine the enthalpy change for the process: 2B  C
 
  A) -478.8 kJ/mol
  B) -434.6 kJ/mol
  C) 434.6 kJ/mol
  D) 478.8 kJ/mol
  E) More information is needed to solve the problem.

Question 2

Actylcholinesterase acts to change acetylcholine to
 
  A) acetic acid, water and choline.
  B) water and choline.
  C) water and acetic acid.
  D) acetic acid and choline.

[macybarnes]

Answer to Question 1

A

Answer to Question 2

D

[jwb375]

Thank you!

[macybarnes]

Always glad to help...