1.(1 point) The [H+] of coffee is about 1 x 10. Its pH is2.(1 point) The [OH-] of baking soda is about 1 x 10. Its pH is 9. The [H+] is3.(4 points) Balance these equations by putting the number coefficients to the left of eachproduct or reactant. If no number is needed (coefficient = 1), then leave that space blank.Al +O2 →Al2O3а.NażCO3 +HCI →NaCl +CO2 +H20C3H8 +O2 →CO2 +H2Oс.d.CSH12 +O2 →CO2 +H2O4.(1 point) How much does 2 moles of NaBr weigh?on's irtday pa ThereWest oute,Kelvins(1 point) Caffeine has a molecular weight of 194 g/mole. If I drink a Venti coffee fromStarbucks every day, I have consumed 156g of caffeine in a year! How many moles ofcaffeine have I consumed on my $967.25 of coffee in a year?5.to hand-boil an esg in a microwave. The egg was276K and I ATM. Imicrowaved it until the internal

Required formulas: pH = -log[H+] pOH = -log[OH-] pH + pOH = 14

1. (1 point) The [H+] of°coffee is about Ix 10. Its pH is 2. (1 point) The [OH-] of baking soda is about I x 10. Its pH is 9. The (H+) is 3. (4 points) Balance these equations by putting the number coefficients to the left of each product or reactant. If no number is needed (coefficient-1), then leave that space blank. a. Al + Al;O b. Na;CO, + HCI > NaCl + CO2 + H20 C,Hs + CO2 + H2O с. d. CSH12 + O2 > CO2 + H2O 4. (1 point) How much does 2 moles of NaBr weigh? ay p There Kelviy! (1 point) Caffeine has a molecular weight of 194 g/mole. If I drink a Venti coffee from Starbucks every day, I have consumed 156g of caffeine in a year! How many moles of caffeine have I consumed on my $967.25 of coffee in a year? 5.

1. (1 point) The [H+] of°coffee is about Ix 10. Its pH is 2. (1 point) The [OH-] of baking soda is about I x 10. Its pH is 9. The (H+) is 3. (4 points) Balance these equations by putting the number coefficients to the left of each product or reactant. If no number is needed (coefficient-1), then leave that space blank. a. Al + Al;O b. Na;CO, + HCI > NaCl + CO2 + H20 C,Hs + CO2 + H2O с. d. CSH12 + O2 > CO2 + H2O 4. (1 point) How much does 2 moles of NaBr weigh? ay p There Kelviy! (1 point) Caffeine has a molecular weight of 194 g/mole. If I drink a Venti coffee from Starbucks every day, I have consumed 156g of caffeine in a year! How many moles of caffeine have I consumed on my $967.25 of coffee in a year? 5.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter14: Acids And Bases

Section: Chapter Questions

Problem 109QRT

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Similar questions

Students are often surprised to learn that organic acids, such as acetic acid, contain OH groups. Actually, all oxyacids contain hydroxyl groups. Sulfuric acid, usually written as H2SO4, has the structural formula SO2(OH)2, where S is the central atom. Identify the acids whose structural formulas are shown below. Why do they behave as acids, while NaOH and KOH are bases? a. SO(OH)2 b. ClO2(OH) c. HPO(OH)2
12.62 Write the formula of the conjugate acid of each of the following bases, (a) OH-, (b) NHj, (c) CHjNHt, (d) HPO/-, (e) CO.,2’
Figure 14.3 shows the pH of some common solutions. How many times more acidic or basic is each of these compared with a neutral solution? (a) Black coffee (b) Household ammonia (c) Baking soda (d) Vinegar
(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?
Figure 14.3 shows the pH of some common solutions. How many times more acidic or basic is each of these compared with a neutral solution? (a) Milk (b) Seawater (c) Blood (d) Battery acid
Without writing an equation, specify the molecular ratio in which each of the following acidbase pairs will react. a. HNO3 and NaOH b. H2SO4 and NaOH c. H2SO4 and Ba(OH)2 d. HNO3 and Ba(OH)2
Unpolluted rain water has a pH of about 5.5. Acid rain has been shown to have a pH as low as 3.0. Calculate the [H+] ratio of acid rain to unpolluted rain.
Classify each of the acids in Problem 10-19 as a strong acid or a weak acid. a. HClO3 (chloric acid) b. HC3H5O4 (glyceric acid) c. H3C6H5O7 (citric acid) d. H3PO4 (phosphoric acid)
Consider two beakers of pure water at different temperatures. How do their pH values compare? Which is more acidic? More basic? Explain.