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sp2606 [1]
3 years ago
14

How many moles are in 715.11 grams of Ca(C2H302)2?

Chemistry
1 answer:
nikdorinn [45]3 years ago
3 0

Answer:

4.52 mol

Explanation:

We do grams/Molar Mass to find the number of moles. The grams are given but the molar mass, you have to add all masses of the elements up by refering to a periodic table, and you should get that the compound has a mass of 158.168. Do 715.11 dived by that and you get the answer above.

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8 0
3 years ago
How much heat is needed to change the temperature of 5g of water from 20 oC to 37 oC?
Dafna1 [17]

Answer:

The answer to your question is Q = 355.64 J

Explanation:

Data

Heat = Q = ?

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Formula

Q = mCp(T2 - T1)

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