4. One mole of CO, (9) molecules contains 6.02 x 10ª CO2 9) molecules. a. true b. false 5. Which of the following samples contains the same number of atoms as 40.00 g of Ne (9)? a. 4.00 g of He e b. 24.00 g of Mg ) c. 40.00 g of C o) d. 80.00 g of Ar (9) When 75 mL of 0.15-mol/L HCI, mL, the concentration of HCI a is reduced to 6. is diluted with distilled water to a final volume of 150 a. 0.12 mol/L b. 0.10 mol/L c. 0.050 mol/L d. 0.075 mol/L 7. What mass of copper is consumed when 15.0 g of nitric oxide, NO g, is produced according to the following balanced equation? 3 Cu p) + 8 HNO, (ag) → 3 Cu(NO,)2 (0 + 4 H,0, + 2 NO а. 15.0 g b. 22.5 g c. 47.6 g d. 192 g 8. For a neutral solution, which of the following statements is true? The concentration of hydrogen ions, [H'], equals 1 x 10* mol/L. b. The pH of a neutral solution is 7.0. c. The concentration of hydrogen ions, [H*], equals the concentration of hydroxide ions, [OH]. d. all of the above a. 9. A titration is a lab procedure that involves the dilution of an acidic or basic solution. a. true b. false 10. Every galvanic cell has two electrodes and at least one electrolyte. a. true b. false 11. The electrolyte in an alkaline dry cell is acidic. a. true b. false

4. One mole of CO, (9) molecules contains 6.02 x 10ª CO2 9) molecules. a. true b. false 5. Which of the following samples contains the same number of atoms as 40.00 g of Ne (9)? a. 4.00 g of He e b. 24.00 g of Mg ) c. 40.00 g of C o) d. 80.00 g of Ar (9) When 75 mL of 0.15-mol/L HCI, mL, the concentration of HCI a is reduced to 6. is diluted with distilled water to a final volume of 150 a. 0.12 mol/L b. 0.10 mol/L c. 0.050 mol/L d. 0.075 mol/L 7. What mass of copper is consumed when 15.0 g of nitric oxide, NO g, is produced according to the following balanced equation? 3 Cu p) + 8 HNO, (ag) → 3 Cu(NO,)2 (0 + 4 H,0, + 2 NO а. 15.0 g b. 22.5 g c. 47.6 g d. 192 g 8. For a neutral solution, which of the following statements is true? The concentration of hydrogen ions, [H'], equals 1 x 10* mol/L. b. The pH of a neutral solution is 7.0. c. The concentration of hydrogen ions, [H*], equals the concentration of hydroxide ions, [OH]. d. all of the above a. 9. A titration is a lab procedure that involves the dilution of an acidic or basic solution. a. true b. false 10. Every galvanic cell has two electrodes and at least one electrolyte. a. true b. false 11. The electrolyte in an alkaline dry cell is acidic. a. true b. false

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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