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Author Question: When 1.50 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the chemical ... (Read 335 times)

savannahhooper

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on: Aug 27, 2018
When 1.50 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the chemical equation shown below, 1062 kJ of heat are released. Calculate the value of H for this reaction, as written.
 
  2 CH4(g) + 3 Cl2(g)  2 CHCl3(l) + 3 H2(g) H = ? A) -1420 kJ
  B) -708 kJ
  C) +708 kJ
  D) +1420 kJ

Question 2

In the electrochemical cell using the redox reaction below, the oxidation half reaction is ________. Sn4+ (aq) + Fe (s)  Sn2+ (aq) + Fe2+ (aq)
 
  A) Sn4+ + 2e  Sn2+
  B) Fe  Fe2+ + 2e
  C) Sn4+  Sn2+ + 2e
  D) Fe + 2e  Fe2+
  E) Fe + 2e  Sn2+

Question 3

Respiratory capacity of muscle is increased by
 
  A) light exercise.
  B) endurance exercise.
  C) weight lifting.
  D) eating more protein.


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fromAlphatoOmega22

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

D

Answer to Question 3

B


savannahhooper

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


fromAlphatoOmega22

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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