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Greeley [361]
3 years ago
15

Which of the following most likely happens when the volume of a gas increases? (4 points)

Chemistry
1 answer:
Xelga [282]3 years ago
3 0

Answer:

Molecules in the gas move faster due to the fact they have more energy

Explanation:

If you put more heat the higher the volume will be. Less heat means less volume.

(have a great day!)

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Use the data in the table above to calculate an approximate ΔH∘ in kilojoules for the synthesis of hydrazine from ammonia:
ankoles [38]
DeltaH formation = deltaH of broken bonds - deltaH of formed bonds

Broken bonds: tiple bond N-N and H-H bond
Formed bonds: N-H and N-N bonds

You also have to take note of the molar coefficients

deltaH formation = <span> [(N≡N) + 2 * (H-H)] - [4 * (N-H) + (N-N)] 
                           = (945 + 2*436) - (4*390 + 240)
                            = 17 kJ/mol

The answer is 17 kJ/mol.</span>
8 0
3 years ago
Which of the following is true: A. Gamma rays are too dangerous to be used in a medicinal way. B. Gamma radiation is used common
ratelena [41]

Answer:

D

Explanation:

Gamma radiation penetrates the cell wall of prokaryotic organisms such as bacteria and can inhibit their metabolic functions as well as destroy their DNA.

Debunking the other answers:

A is incorrect as Gamma radiation is used in the treatment of cancer via radiotherapy.

B is incorrect as Gamma rays are too small and would just penetrate any smoke particles.

C is incorrect because Gamma rays are used to disinfect food products to prevent food borne illness. Irradiation is safe to use on food and does not make it radioactive.

Thus, D is correct.

6 0
2 years ago
Which reaction creates more massive nuclei?
maxonik [38]

Answer:

C. fusion

hope this helps

6 0
3 years ago
How many moles of lithium nitrate will be needed to make 250 grams of lithium sulfate, assuming that you have an excess of lead
frez [133]
The answer would be 313 g
4 0
3 years ago
One blank is the force required to 1 kilogram of mass at 1 meter per second
const2013 [10]
It's Newton in the blank...
3 0
3 years ago
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