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swat32
2 years ago
11

2. The transfer of heat by direct contact. What kind of heat transfer is this an example of? ​

Chemistry
2 answers:
dmitriy555 [2]2 years ago
8 0

Answer:

The answer is Conduction

Explanation:

Conduction is the process of heat being transferred between objects through direct contact, and it's the most common type of heat transfer.

spin [16.1K]2 years ago
7 0

Answer:

The answer is Conduction

Explanation:

Conduction is the process of heat being transferred between objects through direct contact, and it's the most common type of heat transfer.

I hope this helps!

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What pressure is required to achieve a co2 concentration of 7.90×10−2 m at 20∘c?
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Answer:-  1.90 atm

Solution:- It is based on combined gas law equation, PV = nRT

In this equation, P is pressure, V is volume, n is moles of gas, R is universal gas constant and T is kelvin temperature.

If we divide both sides by V then:

P=\frac{nRT}{V}

We know that, molarity is moles per liter. So, in the above equation we could replace \frac{n}{V} by molarity, M of the gas. The equation becomes:

P = MRT

T = 20 + 273 = 293 K

M = 7.9*10^-^2

Let's plug in the values in the equation:

P = (7.9*10^-^2)(0.0821)(293)

P = 1.90 atm

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7 0
3 years ago
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Answer: X2Y3

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7 0
2 years ago
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5 0
3 years ago
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3 years ago
The pressure inside a gas cylinder is 3,506 mmHg. How many atmospheres of pressure is the gas exerting on the cylinder?
PSYCHO15rus [73]
Below are the choices:

a)0.2168 atm 
<span>b)4.613 atm </span>
<span>c)34.60 atm </span>
<span>d467.4 atm 
</span>
1 atm = 760mmHg : Therefore: 
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</span>B is correct answer. 

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
7 0
3 years ago
Read 2 more answers
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