Reaction Pathways — Unit test Answers
20 verified answers1 views
21
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Which formula equation represents the burning of sulfur to produce sulfur dioxide?
A
Upper S (s) plus upper O subscript 2 (g) right arrow with delta above upper S upper O subscript 2 (g).
B
2 upper H subscript 2 upper s (s) plus 3 upper 0 subscript 2 (g) right arrow 2 upper H subscript 2 upper O (l) plus 2 upper S upper 0 subscript 2 (g).
C
4 upper F e upper S subscript 2 plus 11 upper O subscript 2 right arrow 2 upper F e subscript 2 upper O subscript 3 plus 8 upper S upper O subscript 2.
D
2 upper S upper O subscript 2 (g) plus upper O subscript 2 (g) right arrow with upper V subscript 2 upper O subscript 5 above arrow 2 upper S upper O subscript 3 (g).
22
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The chemical equation for the formation of ammonia is unbalanced.3H2(g) + N2(g) NH3(g)If three molecules of hydrogen react with one molecule of nitrogen, how many molecules of ammonia would be formed?
A
1B
2C
3D
423
According to the law of conservation of
A
chargeB
energyC
massD
momentum24
Isopropanol burns in oxygen to yield carbon dioxide, water, and heat. Which word equation best represents this chemical reaction?
A
isopropanol carbon dioxide + water + heat
B
isopropanol carbon dioxide + water + oxygen
C
isopropanol + oxygen carbon dioxide + water + heat
D
isopropanol + oxygen + heat carbon dioxide + water
25
Which word equation shows hydrogen reacting with oxygen to form water?
A
oxygen + water hydrogen
B
hydrogen + oxygen water
C
oxygen + water hydrogen + water
D
hydrogen + water oxygen
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