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Paha777 [63]
2 years ago
10

How does freezing differ from deposition? ​

Chemistry
1 answer:
patriot [66]2 years ago
8 0
  • Freezing - water moving from a liquid to a solid state.
  • Deposition - water moving from a vapor to a solid state.
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The specific heat capacity of a certain type of cooking oil is 1.75 J/(g⋅∘C). What is the amount of heat exchanged when the temp
anygoal [31]

Answer:

Q = -811440 J

Explanation:

Given data:

Mass of oil = 2.76 Kg (2.76× 1000 = 2760 g)

Initial temperature = 191 °C

Final temperature = 23°C

Specific heat capacity of oil = 1.75 J/g.°C

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = 23°C - 191 °C

ΔT = -168°C

Q = 2760 g ×1.75 J/g.°C  ×-168°C

Q = -811440 J

Negative sign show heat is released.

6 0
2 years ago
What is the molarity of a solution of Cu2SO4 if 250.0 mL of solution contains 14.1 g of Cu2SO4?
balu736 [363]
Copper(I) compounds in aqueous solutions are unstable and disproportionate:
Cu₂SO₄ = Cu + CuSO₄
Necessary for dissolution of non-aqueous solvent.

M(Cu₂SO₄)=223.16 g/mol
m(Cu₂SO₄)=14.1 g
v=0.250 L

n(Cu₂SO₄)=m(Cu₂SO₄)/M(Cu₂SO₄)

c=n(Cu₂SO₄)/v=m(Cu₂SO₄)/(vM(Cu₂SO₄))

c=14.1/(0.250*223.16)=0.253 mol/L

0.253 M

5 0
3 years ago
Read 2 more answers
What are the advantages of using a computer over a graphing calculator
andrezito [222]
The answer to this question is:

The advantages of using a computer over a graphing calculator is the the "Computer larger amount of data" then the graphing calculator 

Hope this helped, Laffertytyler20
Your Welcome :)
5 0
3 years ago
The atomic mass of an atom can be found by
sashaice [31]
The answer to this question is A
8 0
3 years ago
Please help asap. will give brainliest to correct answer
Usimov [2.4K]
The answer is 232 plus 450
7 0
3 years ago
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