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Tanya [424]
3 years ago
11

How many moles of ammonia would be required to react exactly with 0.554 moles of copper(II) oxide in the following in chemical r

eaction? 2 NH3(g) + 3 CuO(s)= 3Cu(s) + N2(g) + 3 H2O(g)
Chemistry
1 answer:
HACTEHA [7]3 years ago
3 0
The mole of ammonia in this chemical equation is 0.36933 moles of NH3... I hope it helped? :)
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Answer: 40 grams

Explanation:

The quantity of Heat Energy (Q) required to heat a substance depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

Since Q = 93.4J

M = ?

C = 0.129 J/g.C

Φ = 40.4°C - 22.3°C = 18.1°C

Then, Q = MCΦ

Make Mass, M the subject formula

M = Q/CΦ

M = (93.4J) / (0.129 J/g.C x 18.1°C)

M = 93.4J / 2.33J/g

M = 40 g

Thus, the mass of the lead is 40 grams

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3 years ago
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Answer:

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Explanation:

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3 years ago
Which of the following is the best explanation for why it is important to follow lab safety guidelines
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Answer:

B

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The main aim of lab rules is to minimize the no of accidents

5 0
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worty [1.4K]

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Explanation:

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5 0
2 years ago
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Balanced chemical reaction: 4Fe + 3O₂ → 2Fe₂O₃.
6 0
3 years ago
Read 2 more answers
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