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Andrew [12]
3 years ago
9

Part 1: Describe the mass and surface temperature of the supergiant stars.

Chemistry
1 answer:
Julli [10]3 years ago
3 0
Part 1 :- Super gaint star have mass from 10 to 70 solar masses and brightness from 30,000 upto hundreds of thousand times the solar luminosity 
blue super giant surface temperature is 20,000 to 50,000 degree Celsius example :0 Rigel  its mass is around 20 times the sun mass it give light which 60,000 sun together give . 
part 2 :-   HR diagram : hertzsprung -Russel diagram ( attached below)

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7 0
3 years ago
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What is the specific latent heat of fusion of ice if it takes 863 kJ to convert 4.6 kg of ice into water at 0 C?
charle [14.2K]

Answer:

The correct answer is 187.7 J/Jg.

Explanation:

The formula for finding the specific heat of fusion is,  

Specific heat of fusion = Q/m

Here Q is the heat energy added, signified in kJ, and m is the mass of the object in kg.  

Based on the given information, the heat energy added or Q is 869 kJ and the mass of the ice is 4.6 Kg

Now putting the values in the formula we get,  

Specific heat of fusion = Q/m

Specific heat of fusion = 863 kJ / 4.6 Kg = 187.7 J/Kg

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