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Mazyrski [523]
3 years ago
13

What are the chemical symbols?

Physics
2 answers:
Simora [160]3 years ago
7 0
I agree O for oxygen and F for fluoride
Maru [420]3 years ago
6 0
The one on the left is O for oxygen the one on the right is F for fluorine
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artcher [175]

Answer:

DU = 21 KJ

Explanation:

Given the following data;

Quantity of heat = 125 KJ

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To find the change in internal energy;

Mathematically, the change in internal energy of a system is given by the formula;

DU = Q - W

Where;

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Q is the quantity of energy.

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DU = 125 - 104

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