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Andre45 [30]
2 years ago
13

Which is a form of heat transfer that is reduced by using a potholder when taking a hot dish out of an oven? Please answer quick

ly, it's a test.
Chemistry
1 answer:
Angelina_Jolie [31]2 years ago
3 0

Answer:

i belive your talking about Conduction

Explanation:

if  im

wrong comment

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What mass of nitrous oxide gas (N2O) is contained in 20.0 L balloon at a pressure of 110.0 kPa and a temperature of 25 C?
likoan [24]

Answer:

40.94 g

Explanation:

Given data:

Mass of NO₂ = ?

Volume = 20.0 L

Pressure = 110.0 Pka

Temperature = 25°C

Solution:

Pressure = 110.0 KPa (110/101 = 1.1 atm)

Temperature = 25°C (25+273 = 298.15 K)

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

n = PV/RT

n = 1.1 atm × 20.0 L / 0.0821 atm.L/ mol.K ×298.15 K

n = 22 / 24.5 /mol

n= 0.89 mol

Mass of NO₂:

Mass = number of moles × molar mass

Mass = 0.89 mol × 46 g/mol

Mass = 40.94 g

3 0
3 years ago
How many primary,secondary and Tertiary carbons are in the compound. 2,3-dimethyl pentane. And
r-ruslan [8.4K]

Answer:

5 primary carbon atoms

3 secondary carbon atoms

4 tertiary carbon atoms

6 hydrogen atoms

6 0
3 years ago
When cold tempetures are produced in a chemical reaction, the reaction is known as?
Mashutka [201]
Endothermic reaction
8 0
3 years ago
Read 2 more answers
Julia notices that the ""check engine"" light comes on while driving her car on days with temperatures of over 100 degrees. what
aev [14]

Option b), Julia's car engine overheats when the outside temperature exceeds 100 degrees is the best plausible explanation for her “check engine” light coming on while driving her car on days with temperatures over 100 degrees.

<h3>Reasoning</h3>

The other options that the engine needs to be replaced, that it cannot withstand high temperatures, or that Julia cannot drive her car on days when it is over 100 degrees outside are not plausible explanations for the situation because that is not what it indicates. the expression “check engine”

On the other hand, option b) is a plausible explanation because the light that comes on with the "Check engine" indicator is due to a temperature sensor that the engine has and that is activated once a certain temperature is exceeded.

In this case, the sensor is sensitive to a temperature differential, since it is activated when the motor compares the degrees of internal temperature with the external one.

Learn more about temperature indicators at brainly.com/question/11464844

#SPJ4

8 0
1 year ago
Think of what the water is doing at different stages at a dam. The water stored behind a dam is an example of _______ energy. As
Andru [333]

Answer:

That is not the right answer.

The correct answers are, potential and electrical.

Hope I have helped.

I had the same question and that was the correct answer. :)

8 0
3 years ago
Read 2 more answers
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