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What volume of a 5.0 M CaCl2 solution do you need to make 1.0 L of a 0.1 M CaCl2 solution?

What volume of a 5.0 M CaCl2 solution do you need to make 1.0 L of a 0.1 M CaCl2 solution?

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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29. What volume of a 5.0 M CaCl2 solution do you need to make 1.0 L of a 0.1 M CaCl2 solution? 30. Use the ideal gas law to determine what is the volume of 10.0 moles of gas under 5.0 atm of pressure at a temperature of 200.0 degrees Celsius? Keep track of significant figures! 31. 1 mole of ANY ideal gas has the same volume at room temperature and atmospheric pressure. T / F 32. If an ideal gas is held at constant temperature and the pressure is increased, the volume of the gas: a. increases b. does not change c. decreases 33. What are the spectator ions from the following reaction? AgNO3(aq) + MgCl2(aq) → ? a. Mg2+ and CI b. Ag* and Cl c. Mg²+ and NO3 d. Ag* and Cl 34. AG = AH -TAS is the equation for the Gibbs free energy of reaction for a chemical process. If the AG for a reaction is negative, the reaction can proceed to the products. T/F 35. AG = AH -TAS is the equation for the Gibbs free energy of reaction for a chemical process. If the AH for a reaction is positive and the AS is positive, it is possible for the reaction to proceed to the products. T/ F 36. AG = AH -TAS is the equation for the Gibbs free energy of reaction for a chemical process. If the AH for a reaction is positive and the AS is negative, it is possible for the reaction to proceed to the products. T/F 37. НBr(aq) + коНag) > The reaction in problem 37 creates which of the following products? a.H2(g) b. H20(1) c. no reaction d. K20(s)
Transcribed Image Text:29. What volume of a 5.0 M CaCl2 solution do you need to make 1.0 L of a 0.1 M CaCl2 solution? 30. Use the ideal gas law to determine what is the volume of 10.0 moles of gas under 5.0 atm of pressure at a temperature of 200.0 degrees Celsius? Keep track of significant figures! 31. 1 mole of ANY ideal gas has the same volume at room temperature and atmospheric pressure. T / F 32. If an ideal gas is held at constant temperature and the pressure is increased, the volume of the gas: a. increases b. does not change c. decreases 33. What are the spectator ions from the following reaction? AgNO3(aq) + MgCl2(aq) → ? a. Mg2+ and CI b. Ag* and Cl c. Mg²+ and NO3 d. Ag* and Cl 34. AG = AH -TAS is the equation for the Gibbs free energy of reaction for a chemical process. If the AG for a reaction is negative, the reaction can proceed to the products. T/F 35. AG = AH -TAS is the equation for the Gibbs free energy of reaction for a chemical process. If the AH for a reaction is positive and the AS is positive, it is possible for the reaction to proceed to the products. T/ F 36. AG = AH -TAS is the equation for the Gibbs free energy of reaction for a chemical process. If the AH for a reaction is positive and the AS is negative, it is possible for the reaction to proceed to the products. T/F 37. НBr(aq) + коНag) > The reaction in problem 37 creates which of the following products? a.H2(g) b. H20(1) c. no reaction d. K20(s)
14 C. 12 10 8 b. 6. 4 2 а. 3 4 5 7 38. In the graph for number 38, volume of base added to an acid solution is on the x axis and the pH of the acid solution is on the y axis. Which point on the graph indicates the equivalence point of the reaction where moles of acid = moles of base added? 39. What is the pH of a solution that is 0.10M HCI(aq)? a. 10 b. -1 c. 1 d. -10 40. What is the pH of a solution that is 0.10 M NaOH(aq) a. 13 b. 14 c. -1 d. 1
Transcribed Image Text:14 C. 12 10 8 b. 6. 4 2 а. 3 4 5 7 38. In the graph for number 38, volume of base added to an acid solution is on the x axis and the pH of the acid solution is on the y axis. Which point on the graph indicates the equivalence point of the reaction where moles of acid = moles of base added? 39. What is the pH of a solution that is 0.10M HCI(aq)? a. 10 b. -1 c. 1 d. -10 40. What is the pH of a solution that is 0.10 M NaOH(aq) a. 13 b. 14 c. -1 d. 1
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