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

Author Question: At constant pressure, the combustion of 5.00 g of C2H6(g) releases 259 kJ of heat. What is H for the ... (Read 69 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
At constant pressure, the combustion of 5.00 g of C2H6(g) releases 259 kJ of heat. What is H for the reaction given below? 2 C2H6(g) + 7 O2(g)  4 CO2(g) + 6 H2O(l).
 
  A) -43.2 kJ
  B) -779 kJ
  C) -1560 kJ
  D) -3108 kJ

Question 2

What color of visible light has the highest energy?
 
  A) violet
  B) blue
  C) red
  D) green
  E) yellow



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pallen55

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

D

Answer to Question 2

A




krzymel

  • Member
  • Posts: 548
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it


epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library