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 21 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
YES! Correct, THANKS for helping me on my review


peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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?

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

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

For a complete list of videos, visit our video library