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

Author Question: A 648-g empty iron kettle is put on a stove. How much heat. in joules. must it absorb to raise its ... (Read 301 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
on: Jul 29, 2018
A 648-g empty iron kettle is put on a stove. How much heat. in joules. must it absorb to raise its temperature from to (The specific heat for iron is 113 cal/kg  C, 1 cal = 4.190 J)
 
  A) 6740 J
  B) 11,300 J
  C) 1610 J
  D) 16,100 J

Question 2

If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of the water from 15C to 25C? The specific heat of water is 4190 J/kg  K.
 
  A) 93 s
  B) 5.3 s
  C) 22 s
  D) 114 h


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Alyson.hiatt@yahoo.com

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


ss2343

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


Alyson.hiatt@yahoo.com

  • Sr. Member
  • ****
  • Posts: 354
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

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

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Translational regulation of ferritin mRNA by the iron regulatory protein (IRP) Translational regulation of ferritin mRNA by the iron regulatory protein (IRP)
iron iron
iron iron
Heat Index Heat Index
Stronger threads are created by cold rolling a heat-treated bolt blank instead of cutting the ... Stronger threads are created by cold rolling a heat-treated bolt blank instead of cutting the ...
An automobile engine provides 524 Joules of work to push the pistons and generates 2160 Joules ... An automobile engine provides 524 Joules of work to push the pistons and generates 2160 Joules ...
Video: Stroke volume - contractility definition

For a complete list of videos, visit our video library