3. Which of the following chemical equations is balanced? A. H₂CO3 →→ H₂O + CO₂ C. NaBr + Cl₂ →→→ NaCl + Br2 D. None of these B. Ca + H₂O →→ Ca (OH)2 + H₂ 4. What is the balanced form of the chemical equation Pb (NO3)2 + Na2SO4 →→→→ PbSO4 + NaNO3? A. Pb (NO3)2 + Na2SO4 → PbSO4 + 2NaNO3 C. 2Pb (NO3)2 + Na2SO4 → 2PbSO4 + NaNO3 B. Pb (NO3)2 + 2Na2SO4 → 2PbSO4 + 2NaNO3 D. None of these because already balanced
3. Which of the following chemical equations is balanced? A. H₂CO3 →→ H₂O + CO₂ C. NaBr + Cl₂ →→→ NaCl + Br2 D. None of these B. Ca + H₂O →→ Ca (OH)2 + H₂ 4. What is the balanced form of the chemical equation Pb (NO3)2 + Na2SO4 →→→→ PbSO4 + NaNO3? A. Pb (NO3)2 + Na2SO4 → PbSO4 + 2NaNO3 C. 2Pb (NO3)2 + Na2SO4 → 2PbSO4 + NaNO3 B. Pb (NO3)2 + 2Na2SO4 → 2PbSO4 + 2NaNO3 D. None of these because already balanced
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![3. Which of the following chemical equations is balanced?
A. H₂CO3 →→ H₂O + CO₂
C. NaBr + Cl₂ →→→ NaCl + Br2
D. None of these
B. Ca + H₂O →→ Ca (OH)2 + H₂
4. What is the balanced form of the chemical equation Pb (NO3)2 + Na2SO4 →→→→ PbSO4 + NaNO3?
A. Pb (NO3)2 + Na2SO4 → PbSO4 + 2NaNO3 C. 2Pb (NO3)2 + Na2SO4 → 2PbSO4 + NaNO3
B. Pb (NO3)2 + 2Na2SO4 → 2PbSO4 +2NaNO3 D. None of these because already balanced](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdf60d706-4b09-4458-9d3d-726fedc896f7%2Ff6b0dde6-0d95-4bb6-8d9e-9a1ea6638c05%2F02psw5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. Which of the following chemical equations is balanced?
A. H₂CO3 →→ H₂O + CO₂
C. NaBr + Cl₂ →→→ NaCl + Br2
D. None of these
B. Ca + H₂O →→ Ca (OH)2 + H₂
4. What is the balanced form of the chemical equation Pb (NO3)2 + Na2SO4 →→→→ PbSO4 + NaNO3?
A. Pb (NO3)2 + Na2SO4 → PbSO4 + 2NaNO3 C. 2Pb (NO3)2 + Na2SO4 → 2PbSO4 + NaNO3
B. Pb (NO3)2 + 2Na2SO4 → 2PbSO4 +2NaNO3 D. None of these because already balanced
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