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 76 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
:D TYSM


robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Excellent

 

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

For a complete list of videos, visit our video library