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omeli [17]
3 years ago
9

The process by which solids vaporize without first becoming a liquid is called

Chemistry
1 answer:
laiz [17]3 years ago
7 0
I believe the answer to be A
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What is the relationship between plants soil and fertilizers?
natta225 [31]
Answer: “ They add organic matter contributing to soil health increasing both the water-holding capacity and cation exchange capacity. They stimulate microbial activity and improve soil structure. Organic fertilizers also are valuable sources of micronutrients to plants. “ (the person above is correct)
3 0
3 years ago
A sample of n2 occupies 3. 0l at 3. 0atm. What volume will it occupy when the pressure is changed to 0. 5atm and the temperature
belka [17]

It will occupy 18 L volume when the pressure is changed to 0. 5 atm and the temperature remain constant.

Calculation,

According to Boyle law, the pressure of a given quantity of gas varies inversely with its volume at constant temperature.

P_{1} V _{1} = k    .....(i)

  • P_{1} is initial pressure = 3 atm
  • V _{1} is initial volume = 3L
  • k is constant

P_{2} V _{2} = k    (ii)

  • P_{2} is final pressure = ?
  • V _{2} is final volume = 0.5atm
  • k is constant

Combining equation (i) and (ii). we get,

P_{1} V _{1}  = P_{2} V _{2}

3 atm× 3L=  V _{2}× 0.5atm

V _{2}  =   3 atm× 3L/0.5atm = 18 L

Boyle law used during respiration or breathing.

To Learn more about Boyle law

brainly.com/question/1437490

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7 0
2 years ago
calculate the volume od a CO2 cartridge that has a pressure of 850 PSI at a temperature of 21ºc the cartridge contains 0.273 mol
gladu [14]
Answer is: volume of CO₂ is 0,113 dm³.
Ideal gas law = pV = nRT.
p = 850 PSI = 5860543,6992 Pa.
Psi <span>is the abbreviation of pound per square inch.
T = 21</span>°C = 294,15 K.
n = 0,273 mol.
R = 8,314 J/K·mol.
V = nRT ÷ p
V = 0,273 mol · 8,314 J/K·mol · 294,15 K ÷ 5860543,6992 Pa.
V = 0,00011 m³ = 0,113 dm³.
3 0
3 years ago
A reversible reaction is a reaction that takes place in the ___________ . If the reaction were to ___________, the rate of the f
ANTONII [103]

Explanation:

A reversible reaction is a reaction which results in the formation of products which gives back reactants. Therefore, it is said that a reversible reaction occurs in both forward and backward direction.

Thus, it can be concluded that a reversible reaction is a reaction that takes place in the both directions . If the reaction were to equilibrium, the rate of the forward reaction would equal that of the reverse reaction.equilibrium.

8 0
3 years ago
Read 2 more answers
You have 100 milliliters of a 0.50 M MgBr2 solution and dilute it to a total volume of 200 milliliters. What is the molarity of
slamgirl [31]
The answer is 0.25 M

Use the equation C1V1=C2V2
(.5)(100)=x(200)
x=0.25
3 0
4 years ago
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