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

Author Question: How much heat (in kcal) must be removed to make ice at 10C from 2 kg of water at 20C? (The specific ... (Read 32 times)

cmoore54

  • Hero Member
  • *****
  • Posts: 568
on: Aug 6, 2020

Question 1

How many calories of heat are required to raise the temperature of 4 kg of water from 50°F to the boiling point?

◦
6.5 × 105

◦
3.6 × 105

◦
15 × 105

◦
360

◦
4 × 104


Question 2

How much heat (in kcal) must be removed to make ice at −10°C from 2 kg of water at 20°C? (The specific heat of ice is 0.50 cal/g⋅°C.)

◦
190

◦
200

◦
240

◦
210

◦
50
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by cmoore54 on Aug 6, 2020

qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 6, 2020
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 55% of students answer this correctly


cmoore54

  • Member
  • Posts: 568
Reply 2 on: Aug 6, 2020
Great answer, keep it coming :)

adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Polar covalent bonds in water molecules Polar covalent bonds in water molecules
Heat Shock Proteins Heat Shock Proteins
Xeriscaping Conserves Water Xeriscaping Conserves Water
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ... A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
Material Balance over #3 Heat Exchanger Material Balance over #3 Heat Exchanger
Water shortages, reduced agricultural capacity & coastal inundation are common themes Water shortages, reduced agricultural capacity & coastal inundation are common themes
Video: Structures that affect circulation - kidneys, blood volume and venous tone

For a complete list of videos, visit our video library