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

Author Question: Given the specific heat for aluminum is 0.900 J/gC, how much heat is released when a 3.8 g sample of ... (Read 82 times)

rissygurl1124

  • Full Member
  • ***
  • Posts: 157

Question 1

Given that CaO(s) + H2O(l) → Ca(OH)2(s), ΔH°rxn = –64.8 kJ/mol, how many grams of CaO must react in order to liberate 525 kJ of heat?
◦ 6.92 g
◦ 56.1 g
◦ 455 g
◦ 606 g
◦ 3.40 × 104 g

Question 2

Given the specific heat for aluminum is 0.900 J/g·°C, how much heat is released when a 3.8 g sample of Al cools from 450.0°C to  25°C.
◦ 54 J
◦ 60 J
◦ 86 J
◦ 1.5 kJ
◦ 1.7 kJ


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by rissygurl1124 on Nov 5, 2023

Htimsrs

  • Full Member
  • ***
  • Posts: 183
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 64% of students answer this correctly




rissygurl1124

  • Member
  • Posts: 157
Reply 2 on: Nov 5, 2023
Excellent


xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library