Which of the following are decomposition reactions? 1) CH4 (g) + O2 (g) → CO2 (g) + H20 (1) 2) CaO (s) + CO2 (g) → CaCO3 (s) 3) Mg (s) + O2(g) → MgO (s) 4) PbCO3 (s) → PbO (s) + CO2 (g) O 1, 2, and 3 4 only O 2, 3, and4 O 2 and 3
Which of the following are decomposition reactions? 1) CH4 (g) + O2 (g) → CO2 (g) + H20 (1) 2) CaO (s) + CO2 (g) → CaCO3 (s) 3) Mg (s) + O2(g) → MgO (s) 4) PbCO3 (s) → PbO (s) + CO2 (g) O 1, 2, and 3 4 only O 2, 3, and4 O 2 and 3
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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
Transcribed Image Text:Which of the following are decomposition reactions?
1) CH4 (g) + O2 (g) → CO2 (g) + H2O (1)
2) Cao (s) + CO2 (g) → CaCO3 (s)
3) Mg (s) + O2(g) → MgO (s)
4) PbCO3 (s) –→ PbO (s) + CO2 (g)
O 1, 2, and 3
O 4 only
O 2, 3, and 4
O 2 and 3
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