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
arlik [135]
3 years ago
5

Please help urgent !!! How does an instant cold pack get cold so quickly?

Chemistry
2 answers:
strojnjashka [21]3 years ago
4 0
Answer: it has ice in it and that makes the things you use with the cold pack colder

Anon25 [30]3 years ago
3 0

Answer:

When the inner bag of water is broken by squeezing the package, it dissolves the solid in an endothermic reaction. This reaction absorbs heat from the surroundings, quickly lowering the pack's temperature.

Explanation:

Uh, yea.

Have a good day!

You might be interested in
Blood ph is kept near a value of 7.3 - 7.5 because of
Ede4ka [16]

Answer:  Neutral Value

Explanation:  pH of the blood is maintained at 7.0 to 7.5that is neutral value.

This is because if the pH of the is lower than the maintained value then it will become acidic .

Acidic pH can cause the medical urgency known as acidosis leading to vomiting, diarrhea etc.

If the pH becomes higher, then the blood will become basic in nature and it can also leas to the death of the person.

That is why the pH of the blood is maintianed at neutral value of 7.0 to 7.5

5 0
3 years ago
Read 2 more answers
What occurs as energy is transferred through the radiative zone of the sun? check all that apply. gamma rays are produced. photo
AlladinOne [14]

Answers:

1) Photons are absorbed by hot gas atoms.

2) Energy is transferred through large-scale movement of material.

3) Energy is released into the photosphere.

The Sun interior is divided into three regions: the inner core, the radiative zone and the convection zone.

The inner core is the central region of the Sun and all solar energy is produced in the core by nuclear fusion.

Radiative zone is around the inner core and in this area energy is transported by radiation.

The convection zone is the outer-most layer of the interior and in this area energy is transported by convection.

7 0
1 year ago
Will mark brainliest if correct!
makkiz [27]

Answer: C: experimentation is the best way to obtain knowledge

Explanation: When experimenting you will learn new things and better understand things from it.

6 0
2 years ago
ACTIVIDAD 2:
Firlakuza [10]
I don’t understand your language sorry
5 0
3 years ago
HELP ASAP no links or I will report
Svetach [21]

Answer:

50 feet

Explanation:

I got it right

Brainliest plz

4 0
2 years ago
Read 2 more answers
Other questions:
  • Consider n2 (g) + 3h2 (g) →→ 2nh3 (g). what is the mass of nitrogen gas required to react with 0.129 g h2?
    11·1 answer
  • The reaction ch3-n ≡ c → ch3-c ≡ n is a first-order reaction. at 230.3°c, k = 6.29 ⋅ 10-4s-1. if [ch3 = n≡c] is 1.00 ⋅ 10-3 init
    12·2 answers
  • What is 85% of 352???????????????????
    6·1 answer
  • Stronger wind can carry larger particles of sediment. T or F
    6·2 answers
  • What is the overall charge of the compound frbr
    14·1 answer
  • What properties do metalloids have?
    6·1 answer
  • A compound has the percent composition 47.40% Pd, 28.50% O, 21.40% C, and 2.69% H. Based on this information, which molecular fo
    14·2 answers
  • You have one test tube which contains a colorless solution that is either Cu+2 (aq) or Bi+3(aq). Select a reagent that will allo
    9·1 answer
  • PLZZZ HELP. Just say yellow goes under ..... for example.
    5·1 answer
  • The amount of solid NaOH was doubled. Explain how the results of ∆T and ∆Hsoln would differ from the original experiment. Origin
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!