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quester [9]
3 years ago
15

What happens when the wire in an electromagnet is wrapped around a soft iron core?

Chemistry
2 answers:
Mazyrski [523]3 years ago
6 0

the answer to this question is A i hope this help

Gre4nikov [31]3 years ago
4 0

im not sure about this one but i think the field is spread out

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What is the empirical formula of a compound composed of 30.5 g potassium (k) and 6.24 g oxygen (o)?
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convert grams to moles, divide both by the smallest mole mass, multiply that until hole.

30.5 g K ÷ 39.10 = .78 mol
6.24 g O ÷ 16 = .39 mol
.78 mol ÷ .39 mol = 2.5
.39 mol ÷ .39 mol = 1
2.5 x 2 = 5
1 x 2 = 2
K5O2

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Please help!! will give brainliest if u tell me how
Alona [7]
I am pretty sure it’s A
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