This topic contains a solution. Click here to go to the answer

Author Question: Round the number 0.00637 to two significant figures. A) 0.0064 B) 0.006 C) 0.00637 D) 0.0 E) ... (Read 34 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
Round the number 0.00637 to two significant figures.
 
  A) 0.0064
  B) 0.006
  C) 0.00637
  D) 0.0
  E) 0.0063700

Question 2

A sample of calcium carbonate CaCO3 (s) absorbs 40.3 J of heat, upon which the temperature of the sample increases from 20.8 C to 27.3 C. If the specific heat of calcium carbonate is 0.82 J/g-K, what is the mass (in grams) of the sample?
 
  A) 7.6 g
  B) 5.1 g
  C) -7.6 g
  D) 0.13 g
  E) 5.3 g



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

A

Answer to Question 2

A




mpobi80

  • Member
  • Posts: 519
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review


olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

For a complete list of videos, visit our video library