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boyakko [2]
3 years ago
12

Two isotopes of the same element will have the same number of _____ but a different number of ____. (2 points)

Chemistry
1 answer:
lara [203]3 years ago
6 0
Same number of protons but different number if neutrons.
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1) How much energy would be required to melt 15.0 g of ice at 0°C?
DerKrebs [107]

Answer:

5010J

Explanation:

The following data were obtained from the question:

Mass (m) = 15g

Heat of fusion (ΔHf) = 334J/g

Heat required (Q) =..?

The heat energy required to melt the ice can be obtained as follow:

Q = m·ΔHf

Q = 15 x 334

Q = 5010J

Therefore, the heat energy required to melt the ice is 5010J.

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