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9. Which of the following has the greatest number of particles? (A) 9.012 g of Be (B) 1 mole of Na (C) 1 mole of Be (D All are the same

9. Which of the following has the greatest number of particles? (A) 9.012 g of Be (B) 1 mole of Na (C) 1 mole of Be (D All are the same

Chemistry
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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9. Which of the following has the greatest number of particles? (A) 9.012 g of Be (B) 1 mole of Na (C) 1 mole of Be (D All are the same 10. According to the following balanced chemical equation, if you want to generate two moles of H2O , how many molecules of O2 do you need? 2 H2 + O2 → 2 H2O (A) 1/2 (В) 2 26.022 × 10²3 (D) 1 11. What is the number of moles of H20 produced if you combust 0.5 mole of CH4 accore to the following balanced equation? CH4 + 2 O2 → CO2 + 2 H2O (A) 1 mol (B) 2 mol (C) 4 mol (D) 5 mol 12. Which has the greatest number of molecules? (A) 32 g of methane, CH4 318 (B) 38 g of fluorine, F2 (C) 32 g of oxygen, O2 (D) 28 g of nitrogen, N2 14
Transcribed Image Text:9. Which of the following has the greatest number of particles? (A) 9.012 g of Be (B) 1 mole of Na (C) 1 mole of Be (D All are the same 10. According to the following balanced chemical equation, if you want to generate two moles of H2O , how many molecules of O2 do you need? 2 H2 + O2 → 2 H2O (A) 1/2 (В) 2 26.022 × 10²3 (D) 1 11. What is the number of moles of H20 produced if you combust 0.5 mole of CH4 accore to the following balanced equation? CH4 + 2 O2 → CO2 + 2 H2O (A) 1 mol (B) 2 mol (C) 4 mol (D) 5 mol 12. Which has the greatest number of molecules? (A) 32 g of methane, CH4 318 (B) 38 g of fluorine, F2 (C) 32 g of oxygen, O2 (D) 28 g of nitrogen, N2 14
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