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3 years ago

15

How much heat is required to convert 90. g of ice at -4.0 C to water vapor (steam) at 110 C

1 answer:

lakkis [162]3 years ago

6 0

Answer: How much heat is required to convert 29 g of ice at -4.0 ˚C to water vapor at 105 ˚C (report your answer to three significant figures)? Answer all five parts, showing your detailed calculations: i) Heat to warm ice from -4.0 to 0 oC: ii) Heat to convert ice to liquid: iii) Heat to warm liquid to boiling: iv) Heat to convert liquid to gas

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Explanation:

e

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Answer: The number of moles of 0.50 g Aluminium is 0.0185 moles.

Explanation:

To calculate the number of moles, we use the formula:

$Moles=\frac{\text{Given mass}}{\text{Molar mass}}$

In the given question:

Given mass of Aluminium = 0.50 g

Molar mass of Aluminium = 27 g/mol

Putting values in above equation, we get:

$\text{Moles of Aluminium}=\frac{0.50g}{27g/mol}=0.0185moles$

Hence, the number of moles of 0.50 g of Aluminium is 0.0185 moles.

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What will be the subscripts for the formula unit Ca_N_?

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