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AfilCa [17]
3 years ago
14

Please help I’ll mark brainleist

Chemistry
2 answers:
Setler79 [48]3 years ago
8 0

Answer:

SAme. What's le question, I will answer correctly.

Explanation:

kozerog [31]3 years ago
7 0

Answer: with what?

Explanation:

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It’s A and D have a good day!!
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A.
WARRIOR [948]

Answer:

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Explanation:

3 0
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In laboratory, your TA makes a statement about the toxicity of the fumes of a reaction. What does the term toxicity mean?
grandymaker [24]

Answer:

A.

Explanation:

A toxic substance is a substance that can cause some harmful effects when a person is exposed to it. The sum of all adverse effects is called the toxicity of a substance. As higher is the toxicity, as dangerous is the substance. The effects can be observed in the mouth, the eyes, the skin, the tract respiratory, the brain, etc.

A substance or agent that can interfere with normal embryonic development is called teratogenic.

A substance or agent capable of causing or producing cancer in mammals is called carcinogenic.

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4 0
4 years ago
A gas has a volume of 62.65L at O degrees Celsius and 1 atm. At what temperature in Celsius would the volume of the gas be 78.31
Anastaziya [24]

Answer:

The volume of the gas will be 78.31 L at 1.7 °C.

Explanation:

We can find the temperature of the gas by the ideal gas law equation:

PV = nRT

Where:

n: is the number of moles

V: is the volume

T: is the temperature

R: is the gas constant = 0.082 L*atm/(K*mol)

From the initial we can find the number of moles:

n = \frac{P_{1}V_{1}}{RT_{1}} = \frac{1 atm*62.65 L}{(0.082 L*atm/K*mol)*(0 + 273)K} = 2.80 moles

Now, we can find the temperature with the final conditions:

T_{2} = \frac{P_{2}V_{2}}{nR} = \frac{612.0 mmHg*\frac{1 atm}{760 mmHg}*78.31 L}{2.80 moles*0.082 L*atm/(K*mol)} = 274.7 K

The temperature in Celsius is:

T_{2} = 274.7 - 273 = 1.7 ^{\circ} C

Therefore, the volume of the gas will be 78.31 L at 1.7 °C.

I hope it helps you!            

8 0
3 years ago
If I have 0.75 moles of gas at a temperature of 105 K and a pressure of 3.75 atmospheres, what is the volume of the gas
gladu [14]

Answer:

the volume is 20 just subtract

Explanation:

8 0
3 years ago
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