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

Author Question: For the reaction H2(g) + 1/2 O2(g) H2O(g) rH = -241.8 kJ/mol, what quantity of heat, in kJ, evolved ... (Read 16 times)

armygirl

  • Hero Member
  • *****
  • Posts: 556

Question 1

For the reaction H2(g) + 1/2 O2(g) → H2O(g) Δr = -241.8 kJ/mol,
what quantity of heat is liberated by the reaction of 10.0 L of O2 measured at 22.0 °C and 742 mmHg?
◦ 120 kJ
◦ 2610 kJ
◦ 1310 kJ
◦ 195 kJ
◦ 97.5 kJ

Question 2

For the reaction H2(g) + 1/2 O2(g) → H2O(g) Δr = -241.8 kJ/mol,
what quantity of heat, in kJ, evolved when a 72.0 g mixture containing equal parts of H2 and O2, by mass, is burned?
◦ 8630 kJ
◦ 4860 kJ
◦ 1088 kJ
◦ 272 kJ
◦ 544 kJ


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by armygirl on Jul 8, 2021

matt95

  • Sr. Member
  • ****
  • Posts: 317
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 49% of students answer this correctly




armygirl

  • Member
  • Posts: 556
Reply 2 on: Jul 8, 2021
YES! Correct, THANKS for helping me on my review


meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Excellent

 

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

For a complete list of videos, visit our video library