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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 311 times)

savannahhooper

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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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Answer to Question 1

A

Answer to Question 2

D

Answer to Question 3

B



savannahhooper

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Both answers were spot on, thank you once again




 

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