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

Author Question: Calculate the enthalpy change for the following reaction at 25 C. The value of fH in kJ/mol is given ... (Read 29 times)

joe

  • Hero Member
  • *****
  • Posts: 627

Question 1

Calculate the amount of heat absorbed by a 40.0 g sample of water at 21 °C when the temperature is raised to 35 °C.
◦ 5.9 kJ
◦ -0.56 kJ
◦ 0.56 kJ
◦ -2.3 kJ
◦ 2.3 kJ

Question 2

Calculate the enthalpy change for the following reaction at 25 °C. The value of Δf in kJ/mol is given below each species:

2 Fe2O3(s) + 6 CO(g) → 4 Fe(s) + 6 CO2(g)
-824.2 -110.5  0  -393.5

◦ -49.6 kJ/mol
◦ 541 kJ/mol
◦ -1380 kJ/mol
◦ -3350 kJ/mol
◦ -24.8 kJ/mol


Related Topics

Need homework help now?

Ask unlimited questions for free

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

xiazhe

  • Sr. Member
  • ****
  • Posts: 331
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 35% of students answer this correctly




joe

  • Member
  • Posts: 627
Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)


kusterl

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library