1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Leona [35]
4 years ago
4

When Holly injures her shoulder playing baseball, she uses an instant ice pack to reduce the swelling. She breaks the inner, act

ivator portion of the instant cold pack releasing the solid urea into the surrounding water. What process does Holly observe as she uses the cold pack?
A) Urea absorbs and releases heat energy into the surroundings.
B) When the urea dissolves it absorbs heat and the cold pack gets colder.
C) The urea causes the surroundings heat up as the cold pack releases energy.
D) As the urea mixes in the water it releases heat making the cold pack colder.
Physics
1 answer:
saul85 [17]4 years ago
4 0

Answer:

i believe the answer is b

Explanation:

You might be interested in
a measure has true value of 2.00and the measurement value was found to e 1.95.calculate the precision of the measuring instrumen
DiKsa [7]

The precision of the measuring instruments will be 2.5%.

<h3>What is precision?</h3>

It should be noted that precision simply means how close a test result will be when it's repeated.

In this case, the precision of the measuring instruments will be:

= (2 - 1.95)/2.

= 0.05/2

= 2.5%

Therefore, the the precision of the measuring instruments will be 2.5%.

Learn more about precision on:

brainly.com/question/5792909

8 0
2 years ago
Read 2 more answers
Which of the following is a form of potential energy?
ozzi

Answer: nuclear energy

Explanation: nuclear energy

8 0
3 years ago
The most complex level of organization within large organisms, such as elephants, is the organ system.
taurus [48]
And the answer is True, It has the most of <span>complex level of organization within large organisms, such as elephants, is the organ system.
</span>
5 0
3 years ago
Read 2 more answers
A. 36 mins 52.5 secs<br> b. 24mins 22.5 secs<br> c. 13 mins 0 secs<br> d. 9 mins 45 secs
DedPeter [7]
I think it might be A. I’m sorry if I’m wrong
5 0
3 years ago
Read 2 more answers
Which of the following is the transfer of energy as heat by the movement of a liquid or gas?
vazorg [7]

Answer:

Explanation:

covection

5 0
3 years ago
Other questions:
  • The small electric shock you feel when you rub your shoes on carpet and touch something metal is caused by
    7·1 answer
  • An elements properties can be predicted from its
    6·1 answer
  • An instrument is thrown upward with a speed of 15 m/s on the surface of planet X where the acceleration due to gravity is 2.5 m/
    13·1 answer
  • Loudness is measured in decibel units true or falsr
    11·1 answer
  • Helpppppp meeeee plzzzz
    6·2 answers
  • Brianna weighs 425 N. She climbs a flight of stairs to a height of 8 m. It takes her 6 seconds.
    6·1 answer
  • Which two surfaces would have the lowest coefficient of friction?
    5·2 answers
  • What would the final volume of 40 L of gas at 80 pascals be if the pressure increases to 130 pascals?
    5·1 answer
  • As a block falls through the air by 40 meter it does work equal to -1800 joule. Determine the mass of a block.
    13·1 answer
  • Unpolarized light is passed through three successive polaroid filters, each with its transmission axis at 32. 8° to the precedin
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!