Author Question: The warmer the water used in mixing a gypsum product, the __________ the material will set. a. ... (Read 12 times)

Melani1276

  • Hero Member
  • *****
  • Posts: 516
The warmer the water used in mixing a gypsum product, the __________ the material will set.
 a. faster
  b. slower
  c. firmer
  d. softer

Question 2

During the process of setting up gypsum, heat is given off, causing a(n) ____________.
 a. calcining process
  b. transformation process
  c. either a or b
  d. exothermic reaction



janeli

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

a
RATIONALE: The warmer the water used in mixing a gypsum product, the faster the material will set.

Answer to Question 2

d
RATIONALE: During the process of setting up gypsum, heat is given off, causing an exothermic reaction.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural 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.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

For a complete list of videos, visit our video library