This topic contains a solution. Click here to go to the answer

Author Question: When 1.50 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the chemical ... (Read 308 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

A

Answer to Question 2

D

Answer to Question 3

B



savannahhooper

  • Hero Member
  • *****
  • Posts: 576
Both answers were spot on, thank you once again




 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

For a complete list of videos, visit our video library