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motikmotik
3 years ago
8

Which electromagnet would have the most strength?

Chemistry
2 answers:
ycow [4]3 years ago
8 0
The one with 20 coils as it can generate more electricity. 
Katyanochek1 [597]3 years ago
8 0
The more coils, the more strength. An electromagnet with twenty coils would give out most energy. Think of it like this. Every coil gives out a specific amount of energy. For example, if we are only using numbers, five. If each coil gave out five, which would give out the most energy? If we had 5 coils, we'd get 25. If we had 10 coils, we'd get 50. If we had 15 coils, we'd get 75. If we had 20 coils, we'd get 100. Obviously, 100 is greater than 25, 50, and 75.
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If 450.0 mL of a 0.500 M solution is mixed with 200.0 mL of water, what is the molarity of the new
Oksana_A [137]

Answer:

Answer: A) .346 M

Explanation:

Given:

- 450 mL

- .5 M soln

-200 mL water

1) Convert mL to L

450 mL = .45 L

200 mL = .2 L

2) Find mols in solution

.5 M = x/.45 L

x = .225 mol

3) Find total volume of solution

.45 L + .2 L =.65 L

4) Find new molarity

molarity (M) = mols solute/ L solution

y = .225 mol (from step 2)/ .65 L (from step 3)

y = .346 M

Answer: A) .346 M

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Balancing word equation can someone help me 7 to 12 ​
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Hi Student,

Soory for not answer there but I needed help from someone , can you inbox me please !!

I am a Indian and I come there for seeing education system in your country. please, can you provide me some help ?

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