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

Author Question: Calculate the enthalpy change for the following reaction at 25 C. The value of fH in kJ/mol is given ... (Read 53 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jul 8, 2021

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 ΔfH° 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
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


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
Reply #1 on: Jul 8, 2021
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 :)

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Stages of Health Behavior Change Stages of Health Behavior Change
(c) A photograph of a hemagglutination reaction. In the tube labeled 0, there is no agglutination, ... (c) A photograph of a hemagglutination reaction. In the tube labeled 0, there is no agglutination, ...
How to find the reaction for each of the beams below. How to find the reaction for each of the beams below.
If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ... If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ...
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree? How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?
Which reaction below represents Th decay by alpha emission? Which reaction below represents Th decay by alpha emission?
Video: Hydrogen bonds - role in the body

For a complete list of videos, visit our video library