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How much energy is needed to melt 230 g of ammonia (NH3)? (Heat of fusion is 5.66 kJ/mol) Give your answer in units of kJ with correct significant figures.

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asked Aug 23, 2023 208k views

4 votes

How much energy is needed to melt 230 g of ammonia (NH3)? (Heat of fusion is 5.66 kJ/mol)

Give your answer in units of kJ with correct significant figures.

Chemistry
college

Mchr asked

by Mchr

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1 Answer

3 votes

Moles of ammonia

Given mass/Molar mass
230/17
13.5mol

1mol requires 5.66KJ energy

13.5mol requires

5.66(13.5)
76.4KJ

Shalafi answered Aug 28, 2023

How much energy is needed to melt 230 g of ammonia (NH3)? (Heat of fusion is 5.66 kJ/mol) Give your answer in units of kJ with correct significant figures.

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