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disa [49]
3 years ago
10

The thermal transfer of energy by electromagnetic waves through the vacuum of space is called what?

Chemistry
2 answers:
Marina86 [1]3 years ago
5 0
Radiation i think is the correct answer
soldier1979 [14.2K]3 years ago
5 0

Answer: Radiation

Explanation: There are three modes of heat transfer:

1. Conduction: This type of heat transfer happens when there is direct contact between the two object.

2. Convection: This type of heat transfer happens when there is a movement of fluid (liquid or gas).

3. Radiation: This type of heat transfer happens when there is direct transfer of energy through space.

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2) If I have an unknown quantity (# of moles) of gas at a pressure of 32 atm, a volume of 70 L, and a temperature of 25˚C. How m
astra-53 [7]

Answer:

91.5 mol

Explanation:

Volume of gas = 70 L

Temperature = 25°C

Pressure = 32 atm

Moles of gas  = ?

Solution:

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

Now we will convert the temperature.

25+273.15 = 298.15 K

By putting values,

32 atm × 70 L = n ×0.0821 atm.L /mol.K × 298.15 K

2240 atm.L = n ×24.48 atm.L /mol

n = 2240 atm.L / 24.48  atm.L /mol  

n = 91.5 mol

3 0
3 years ago
Matter is made up of particle. Which of the following statement is true about these particle? A. A partical that make up soild d
Andrews [41]

Answer: Answer A

Explanation: sorry if I'm wrong but I'm sharing what I know

8 0
3 years ago
In general chemicals enter Ecosystems through which two spears
posledela

Answer:

biosphere and lithosphere

Explanation:

The biosphere is described as the zone of life on Earth. It is a sum of all ecosystems. The biosphere is composed of living organisms and non-living factors.

The lithosphere is the outer part of the Earth such that this part is rocky. The lithosphere is made up of the brittle crust.

In general, chemicals enter Ecosystems through the biosphere and lithosphere.

6 0
2 years ago
I need help with this question
Anastaziya [24]
The answer is b because
6 0
3 years ago
HelpHelp HelpHelpHelpHelp​
alexdok [17]

Answer:

Formula: CH4

Displayed formula: CH4

Explanation:

7 0
3 years ago
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