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mr Goodwill [35]
3 years ago
14

Which is the correct Lewis structure for OBr?

Chemistry
1 answer:
____ [38]3 years ago
3 0

Answer:Covalent compound (I,C,W,H are nonmetals)

Valence of I: 7

Valence of C (C must form an octet): 4

Valence of W: 6

Valence of H: 1

Total valence electrons: 19

Molar mass: 324.77 g/mol

Explanation:

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if the lightbulb receives 100 J of electrical energy, and gives off 75 energy, how much heat (thermal energy away from the light
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Answer:

Amount of heat energy released by light bulb = 25 joules

Explanation:

Given:

Energy receive by light bulb = 100 Joules

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Find:

Amount of heat energy released by light bulb

Computation:

We know that, energy is neither be created nor destroys

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Using Law of conservation of energy

Energy receive by light bulb = Energy released by light bulb as light energy + Amount of heat energy released by light bulb

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Amount of heat energy released by light bulb = 100 - 75

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