This topic contains a solution. Click here to go to the answer
« previous next »

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 46 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A


krzymel

  • Member
  • Posts: 548
Reply 2 on: Aug 27, 2018
Excellent

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Blood Pressure Cuff Blood Pressure Cuff
Blood pressure and blood volume relationship Blood pressure and blood volume relationship
Blood Pressure Classifications Blood Pressure Classifications
The fire triangle and the fire tetrahedron For combustion to occur, three elements must be ... The fire triangle and the fire tetrahedron For combustion to occur, three elements must be ...
Blood Pressure (BP) Blood Pressure (BP)
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
Video: Transcription—A molecular view

For a complete list of videos, visit our video library