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
777dan777 [17]
3 years ago
8

As refrigerant passes through the expansion valve, it cools down or heats up?

Chemistry
2 answers:
tangare [24]3 years ago
7 0

Answer:

It cools down

Explanation:

The expansion valve lowers down the pressure of the refrigerant (in liquid form). This allows the refrigerant to expand. As the refrigerant expands the heated molecules in it get spread to a larger area and thus the oscillatory vibrations in the molecules get reduced there by reducing the kinetic energy ( KE )and thus the heat. Also sometimes spray of Aerosols are used to cool down the refrigerant.

Yuri [45]3 years ago
5 0
It cools down i am 100 percent sure it cools down
You might be interested in
Which two elements have properties that are the most similar?
elena-14-01-66 [18.8K]

Answer:

The answer to your question is letter b) He and Ne

Explanation:

Elements that have similar properties are placed in the same group in the periodic table.

So

A C and F  These elements do not have similar properties because C is in group 4A and F is in group 7A. This is not the right answer.

B He and Ne  These elements have similar properties becase they are in the same group (8A).

C Al and Si  These elements do not have similar properties because Al is in group 3A and Si is in group 4A. This is not the right answer.

D N and S These elements do not have similar properties because N is in group 5A and S is in group 6A. This is not the right answer.

4 0
3 years ago
A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured at 27.0 ∘C is 2.55 atm . Assuming ideal gas behavi
Whitepunk [10]

Answer : The mass of ammonia present in the flask in three significant figures are, 5.28 grams.

Solution :

Using ideal gas equation,

PV=nRT\\\\PV=\frac{w}{M}\times RT

where,

n = number of moles of gas

w = mass of ammonia gas  = ?

P = pressure of the ammonia gas = 2.55 atm

T = temperature of the ammonia gas = 27^oC=273+27=300K

M = molar mass of ammonia gas = 17 g/mole

R = gas constant = 0.0821 L.atm/mole.K

V = volume of ammonia gas = 3.00 L

Now put all the given values in the above equation, we get the mass of ammonia gas.

(2.55atm)\times (3.00L)=\frac{w}{17g/mole}\times (0.0821L.atm/mole.K)\times (300K)

w=5.28g

Therefore, the mass of ammonia present in the flask in three significant figures are, 5.28 grams.

8 0
3 years ago
En que flota el osmio
Valentin [98]
Translate to english
6 0
3 years ago
Can someone answer this question? It's not that long
Kitty [74]

Answer:

sections 2 and 3

Explanation:

logic

6 0
2 years ago
Which statement accurately compares the trends in atomic number and atomic mass in the periodic table
Tresset [83]

Answer: is C

Explanation:

Both the atomic mass and the atomic number increase from left to right

6 0
3 years ago
Read 2 more answers
Other questions:
  • 1. Most fruit juices are a solution of water, sugar, and fruit-specific chemicals. In this solution, identify the solvent and so
    14·1 answer
  • if lance armstrong is riding his bicycle at speeds of 15 m/s, how long will it take him to travel 81.9 meters?
    9·2 answers
  • Which bodies are composed primarily of rock and metal
    14·1 answer
  • I'm having trouble with my wireless headphones that won't turn on at all it's not blinking why? need help asap.....​
    12·1 answer
  • IF YOU ANSWER THIS CORRECT U WILL BE AWARDED ... 10pts and brainleist! :) PLEASEEE IM SUFFERING WITH THIS questionnn :(
    9·1 answer
  • Someone help please! Extra points & brainlest!
    6·2 answers
  • Name gaseous element in period 2 group 16?
    12·1 answer
  • How many neutrons are in an atom of aluminum
    12·2 answers
  • The difference between Physical/Chemical properties and Physical/Chemical changes
    7·1 answer
  • Which of the following would you rather carry around with you: 15000g of lithium or 15000g palladium?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!