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Exam 7: Acids and Bases

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Question 21

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Joshua has had high blood pressure for a number of years. At Joshua's last checkup, his doctor orders tests to measure the amount of creatinine in Joshua's blood and urine. Creatinine is a compound that forms whenever muscles break down creatine, a chemical that helps supply energy for muscle contractions. A) Does everyone have creatine in their circulating blood? B) Does everyone secrete creatinine in their urine? Why or why not?

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A)YES.
B)Yes.Creatinine is com...

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Question 22

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Consider the image which depicts the reaction between CH₃COOH and H₂O. Reactants: Products: If the composition of the equilibrium mixture is as represented below -CH₃COOH is classified as

A) strong acid
B) weak acid
C) strong base
D) weak base

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Question 23

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Which of the following is present in pure water?

When carbonated beverages are bottled or canned, the partial pressure of carbon dioxide above this liquid is maintained at a high pressure. This procedure cause the pH of the beverage to

Using the above table,fill in the blank with the appropriate integer (1 ,2,3,...) indicating the buffer and/or the letter indicating the formula below. -In Buffer 1, the missing base component is _________________________.

Which of the following pH's corresponds to a highly acidic solution?

Oxalic acid (H₂C₂O₄) is weak acid found in the leaves of rhubarb. Which of the following solutions will have the highest pH?

Arterial blood gases (ABGs) were drawn on your patient. The following are the some of the results: Respiratory Rate (RR) 10 breaths/min; pH 7.3; and Pressure of CO₂ 58 torr. The following questions are a basic step-by-step guide in evaluating ABGs. a. If the normal range is 12 - 24 breaths/min , is this patient breathing within a normal range, hyperventilating, or hypoventilating? b. Is this pH level on the acidic or basic side of the normal range? c. Is this pressure of CO₂ level within normal range, high, or low? d. With the above findings, what is this patient experiencing?

Adipic acid has the formula given below. This is a polyprotic acid.

A water solution is found to have an OH^- concentration of 6.3 × 10−¹⁰. The solution would be classified as:

All of the following solutions are 0.025 M, which of the solutions contains the highest concentration of OH^-?

If a patient were in diabetic ketoacidosis (DKA), would you expect their pH level to be high or low?

When NaOH reacts with HCl, the net ionic equation for the reaction is:

The molar concentration of H₃O⁺ in an aqueous solution would be increased by the addition of KOH.

Consider the image which depicts the reaction between CH₃COOH and H₂O. Reactants: Products: If the composition of the equilibrium mixture is as represented below -A solution of KF in water will be

Which of the following is the conjugate acid of ammonia, NH₃?

What is the pH of a 1 × 10^-1 M solution of CaCl? Enter a numerical value.

The buffer solution in the flask was prepared using one of the substances shown below. citric acid (pK_a 3.08) NaH₂PO₄ (pK_a 7.21) NH₄Cl (pK_a 9.25) Using the pH meter and solution shown in the image below, complete the following statements using one of the terms below. increase decrease remain constant citric acid NaH₂PO₄ NH₄Cl -If HNO were added to the buffer solution the pH of the solution would __________.

Which of the following statements best describes the relationship between conjugate acids and bases?

Consider the following three buffer reactions. Buffer 1: protein-H⁺ and protein Buffer 2: H₂CO₃ and HCO₃^- Buffer 3: H₂PO₄^- and HPO₄^2- Fill in the blank with the appropriate integer (1,2,or 3)to indicate the buffer system described. -Buffer______________________ is the most effective regulator for a pH of 7.2.