Help me please... 86.the symbol for the atomic number is Z87.the United States has the largest water footprint of industrialized countries88.Of all the water of earth, approximately 3% is potable (drinkable).89.In the United States 20% of electric power generated by nuclear power90.A 10M solution of hydrochloric acid will have a pH of 191.2.54 inches equals one centimeter92.2.2 pounds equal one thousand gramsI part per billion (ppb) is equal to 1microgram per liter93.I gram equals 1 x 10° Kg94.95.The construction and use of nuclear reactors will most likely decreaseMatching96.a. heatcapacity to do workb. cation97._A energy flow from hotter object to cold98defined as the product of force and distanceheat needed to raise 1 gram of water, 10Cc. caloried. work99e. temperature100determines the direction of heat flow

Given: Q 86 to 95 for True or False Q 96 to 100 for Matching

86. the symbol for the atomic number is Z the United States has the largest water footprint of industrialized countries Of all the water of earth, approximately 3% is potable (drinkable). In the United States 20% of electric power generated by nuclear power A 10M solution of hydrochloric acid will have a pH of 1 2.54 inches equals one centimeter 2.2 pounds equal one thousand grams 1 part per billion (ppb) is equal to Imicrogram per liter 1 87. 88. 89. 90. 91. 92. 93. 94. gram equals 1 x 10° Kg The construction and use of nuclear reactors will most likely decrease 95. Matching capacity to do work a. heat b. cation c. calorie d. work 96. 97.A energy flow from hotter object to cold 98 defined as the product of force and distance heat needed to raise 1 gram of water, 10C determines the direction of heat flow 99 e. temperature 100

86. the symbol for the atomic number is Z the United States has the largest water footprint of industrialized countries Of all the water of earth, approximately 3% is potable (drinkable). In the United States 20% of electric power generated by nuclear power A 10M solution of hydrochloric acid will have a pH of 1 2.54 inches equals one centimeter 2.2 pounds equal one thousand grams 1 part per billion (ppb) is equal to Imicrogram per liter 1 87. 88. 89. 90. 91. 92. 93. 94. gram equals 1 x 10° Kg The construction and use of nuclear reactors will most likely decrease 95. Matching capacity to do work a. heat b. cation c. calorie d. work 96. 97.A energy flow from hotter object to cold 98 defined as the product of force and distance heat needed to raise 1 gram of water, 10C determines the direction of heat flow 99 e. temperature 100

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter13: Acids And Bases

Section: Chapter Questions

Problem 9RQ: What is a salt? List some anions that behave as weak bases in water. List some anions that have no...

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Similar questions

(a) What is the pH of a 0.105 M HCl solution? (b) What is the hydronium ion concentration in a solution with a pH of 2.56? Is the solution acidic or basic? (c) A solution has a pH of 9.67. What is the hydronium ion concentration in the solution? Is the solution acidic or basic? (d) A 10.0-mL sample of 2.56 M HCl is diluted with water to 250. mL What is the pH of the dilute solution?
What is a salt? List some anions that behave as weak bases in water. List some anions that have no basic properties in water. List some cations that behave as weak acids in water. List some cations that have no acidic properties in water. Using these lists, give some formulas for salts that have only weak base properties in water. What strategy would you use to solve for the pH of these basic salt solutions? Identify some salts that have only weak acid properties in water. What strategy would you use to solve for the pH of these acidic salt solutions? Identify some salts that have no acidic or basic properties in water (produce neutral solutions). When a salt contains both a weak acid ion and a weak base ion, how do you predict whether the solution pH is acidic, basic, or neutral?
A solution is prepared by adding 50.0 mL concentrated hydrochloric acid and 20.0 mL concentrated nitric acid to 300 mL water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH], and the pH for this solution. [Hint: Concentrated HCl is 38% HCl (by mass) and has a density of 1.19 g/mL; concentrated HNO3 is 70.% HNO3 (by mass) and has a density of 1.42 g/mL.
Consider two weak acids, HA (MM=138g/mol)and HB (MM=72.0g/mol). A solution consisting of 11.0 g of HA in 745 mL has the same pH as a solution made up of 5.00 g of HB in 525 mL. Which of the two acids is stronger? Justify your answer by an appropriate calculation.
Calculate the pH of each of the following solutions. (a) 10.0 mL of 0.300 M hydrofluoric acid plus 30.0 mL of 0.100 M sodium hydroxide (b) 100.0 mL of 0.250 M ammonia plus 50.0 mL of 0.100 M hydrochloric acid (c) 25.0 mL of 0.200 M sulfuric acid plus 50.0 mL of 0.400 M sodium hydroxide
The pH of a household cleaning solution is 11.50. This cleanser is an aqueous solution of ammonia with a density of 1.00 g/mL. What is the mass percentage of ammonia in the solution?
Novocaine, C13H21O2N2Cl, is the salt of the base procaine and hydrochloric acid. The ionization constant for procaine is 7106. 15 a solution of novocaine acidic or basic? What are [H3O+], [OH-], and pH of a 2.0% solution by mass of novocaine, assuming that the density of the solution is 1.0 g/mL.
The pH of Mixtures of Acid, Base, and Salt Solutions a When 0.10 mol of the ionic solid NaX, where X is an unknown anion, is dissolved in enough water to make 1.0 L of solution, the pH of the solution is 9.12. When 0.10 mol of the ionic solid ACl, where A is an unknown cation, is dissolved in enough water to make 1.0 L of solution, the pH of the solution is 7.00. What would be the pH of 1.0 L of solution that contained 0.10 mol of AX? Be sure to document how you arrived at your answer. b In the AX solution prepared above, is there any OH present? If so, compare the [OH] in the solution to the [H3O+]. c From the information presented in part a, calculate Kb for the X(aq) anion and Ka for the conjugate acid of X(aq). d To 1.0 L of solution that contains 0.10 mol of AX, you add 0.025 mol of HCl. How will the pH of this solution compare to that of the solution that contained only NaX? Use chemical reactions as part of your explanation; you do not need to solve for a numerical answer. e Another 1.0 L sample of solution is prepared by mixing 0.10 mol of AX and 0.10 mol of HCl. The pH of the resulting solution is found to be 3.12. Explain why the pH of this solution is 3.12. f Finally, consider a different 1.0-L sample of solution that contains 0.10 mol of AX and 0.1 mol of NaOH. The pH of this solution is found to be 13.00. Explain why the pH of this solution is 13.00. g Some students mistakenly think that a solution that contains 0.10 mol of AX and 0.10 mol of HCl should have a pH of 1.00. Can you come up with a reason why students have this misconception? Write an approach that you would use to help these students understand what they are doing wrong.

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