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Keith_Richards [23]
3 years ago
7

Let this be an easy 5 points for your brainly account all is ask for in return is a "thank you"

Chemistry
1 answer:
aksik [14]3 years ago
7 0

Answer:

absolutly u wil get a thank u

Explanation:

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The mass of an element is 27 and it's atomic number is 13. Give the composition of the nucleus of it's atom.
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Answer:

nucleus consists of:

13 protons, 14 neutrons

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Material
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A system gains 652 kJ of heat, resulting in a change in internal energy of the system equal to +241 kJ. How much work is done?
levacccp [35]

Answer:

-411 kj

Explanation:

We solve by using this formula

∆U = ∆Q + ∆W

This formula is the first law of thermodynamics

Change in internal energy U = +241

Heat gained by system Q = 652

Putting the value into the equation

+241 = 652 + W

Workdone = 241 - 652

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Since work done is negative it means that work was done by the system

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A saturated is one in which the atoms are linked by single bonds. :)

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