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

Author Question: Calculate the amount of heat necessary to raise the temperature of 135.0 g of water from 50.4F to ... (Read 94 times)

billyboy7272

  • Full Member
  • ***
  • Posts: 149
on: Nov 5, 2023

Question 1

Calcium oxide and water react in an exothermic reaction:
         CaO(s) + H2O(l) → Ca(OH)2(s)     ΔH°rxn = –64.8 kJ/mol
How much heat would be liberated when 7.15 g CaO(s) is dropped into a beaker containing 152g H2O?
◦ 1.97 × 10–3 kJ
◦ 8.26 kJ
◦ 508 kJ
◦ 547 kJ
◦ 555 kJ

Question 2

Calculate the amount of heat necessary to raise the temperature of 135.0 g of water from 50.4°F to 85.0°F. The specific heat of water = 4.184 J/g·°C.
◦ 1.1 kJ
◦ 10.9 kJ
◦ 16.6 kJ
◦ 19.5 kJ
◦ 48.0 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 billyboy7272 on Nov 5, 2023

FireandIce

  • Full Member
  • ***
  • Posts: 157
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 35% of students answer this correctly


billyboy7272

  • Member
  • Posts: 149
Reply 2 on: Nov 5, 2023
Great answer, keep it coming :)

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Spanish water dog (Perro de agua español). Spanish water dog (Perro de agua español).
How to calculate simple interest (Part 4; P = I/rt) How to calculate simple interest (Part 4; P = I/rt)
Cold, dense water accumulates around the Arctic and Antarctic Cold, dense water accumulates around the Arctic and Antarctic
Testing motor function of cranial nerve VII - Raise eyebrows Testing motor function of cranial nerve VII - Raise eyebrows
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?
Calculate ∆G° Calculate ∆G°
Video: How does an animal choose what food to eat?

For a complete list of videos, visit our video library