Question 1 Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows: Cu₂S(s) + O₂(g) → 2Cu(s) + SO₂(g) If 3 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced? O 2.4 kg O 0.24 kg O 0.0024 kg O 240 g kg O 2.4 g

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Question 1
Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows:
Cu₂S(s) + O₂(g) →>> 2Cu(s) + SO₂(g)
If 3 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced?
O 2.4 kg
O 0.24 kg
O 0.0024 kg
O 240 g kg
O 2.4 g
Question 2
How many neutrons are there in the chromium-50 nuclide?
O 50
26
F1
@
2
F2
#3
80
F3
$
4
Q
F4
%
5
9
F5
MacBook Air
< 6
F6
&
7.
: 8
F7
Transcribed Image Text:C Question 1 Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows: Cu₂S(s) + O₂(g) →>> 2Cu(s) + SO₂(g) If 3 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced? O 2.4 kg O 0.24 kg O 0.0024 kg O 240 g kg O 2.4 g Question 2 How many neutrons are there in the chromium-50 nuclide? O 50 26 F1 @ 2 F2 #3 80 F3 $ 4 Q F4 % 5 9 F5 MacBook Air < 6 F6 & 7. : 8 F7
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