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

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 66 times)

rissygurl1124

  • Full Member
  • ***
  • Posts: 157
on: Nov 5, 2023

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
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


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
Reply #1 on: Nov 5, 2023
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

tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

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?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Sample hypoglycemic protocol. Sample hypoglycemic protocol.
Examples of Specific Antidotes for Overdosed Substances or Toxins Examples of Specific Antidotes for Overdosed Substances or Toxins
The integumentary and nervous systems work together to recognize specific sensations, such as heat ... The integumentary and nervous systems work together to recognize specific sensations, such as heat ...
Aquamatic pad and heating unit provide dry heat treatment to a patient’s arm. Aquamatic pad and heating unit provide dry heat treatment to a patient’s arm.
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ... A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
Sample Size Affects Sampling Error Sample Size Affects Sampling Error
Video: Pressure volume relationships - Normal inspiration and expiration

For a complete list of videos, visit our video library