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20 AnswersSingles & Dating1 decade agoHow to gain weight fast?
2 AnswersDiet & Fitness1 decade ago5.03 Balancing Practice Problems?
5.03 Balancing Practice Problems
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1. Choose the answer that shows a correctly balanced equation. (2 points)
A. 2C4 H9 OH + 6 O2 -> 4 CO2 + 5 H2 O
B. C4 H9 OH + 6 O2 -> 8 CO2 + 5 H2 O
C. C4 H9 OH + 6 O2 -> 4 CO2 + 5 H2 O
2. Choose the answer that shows a correctly balanced equation. (2 points)
A.
B.
C.
D.
E.
3. Choose the answer that shows the correctly balanced equation. (2 points)
A.
B.
C.
D.
E.
4. Choose the answer that shows a correctly balanced equation. (2 points)
A. AgNO3 + Na2 CO3 -> Ag2 CO3 + 2 NaNO3
B. 2 AgNO3 + Na2 CO3 -> Ag2 CO3 + 2 NaNO3
C. 4 AgNO3 + Na2 CO3 -> 4Ag2 CO3 + 2 NaNO3
5. Choose the answer that shows a correctly balanced equation. (2 points)
A. H2 2SO4 -> H2 O + SO3
B. H2 SO4 -> H2 O + SO3
C. 2H2 SO4 -> H2 O + SO3
6. Choose the answer that shows the correctly balanced equation. (2 points)
A.
B.
C.
D.
E.
7. Choose the answer that shows a correctly balanced equation. (2 points)
A. 2Zn + H2 SO4 -> H2 + 2ZnSO4
B. Zn + 2H2 SO4 -> H2 + ZnSO4
C. Zn + H2 SO4 -> H2 + ZnSO4
8. Choose the answer that shows a correctly balanced equation. (2 points)
A. 2 C6 H14 + 21 O2 -> 12 CO2 + 14 H2 O
B. 2 C6 H14 + 19 O2 -> 12 CO2 + 14 H2 O
C. C6 H14 + 19 O2 -> 12 CO2 + 14 H2 O
9. Choose the answer that shows a correctly balanced equation. (2 points)
A. 2 NaOH + H2 SO4 -> Na2 SO4 + 2 H2 O
B. NaOH + H2 SO4 -> Na2 SO4 + 2 H2 O
C. 2 NaOH + H2 SO4 -> Na2 SO4 + H2 O
10. Choose the answer that shows a correctly balanced equation. (2 points)
A.
B.
C.
D.
E.
1 AnswerChemistry1 decade agoWhich location would have the most air molecules per cubic foot?
Which location would have the most air molecules per cubic foot? (2.0 points)
A. Death Valley (below sea level)
B. Miami (at sea level)
C. Denver (above sea level)
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