Question

struggling with it all please answer all questions 54-61 thank you

which of these molecules is meso tartaric acid (meso 23-dihydroxysuccinic acid) CO2H ÇO2H COH None of these ÇOH B) TC) D) OL H-C-OH HO- C- H H - HO- H - C-H C-OH HO—C H H C -H H- C-OH ---OH COH COH сон 55. If the medicine you are taking tastes very bitter and smells like dead fish, because it contains an amine), what might you take to help it go down? (Besides, or in addition to a spoonful of sugar) B) Soap C) Milk of Magnesia, Mg(OH)2 D) Lemon juice E) Alka Seltzer, NaHCO 56. The pH of blood is maintained at 7.4 by the bicarbonate buffer system. Hyperventilation, or rapid breathing, causes respiratory alkalosis causing the blood pH to rise. How could you rectify this imbalance? CO2 + 2H20 4 HHC0 + 2H2O + H2 + HC03 A) Take several antacid tablets, Mg(OH)2 or Ca(OH)2 B) NaHCO, injection C) Breathing into a paper bag, then re-breathing the exhaled air. D) Take aspirin which will increase the respiratory rate E) Eat burnt toast which absorbs H+ ions in the stomach 57. When an acid neutralizes a base A) a salt is produced B) water is produced C) the amount of H' matches the amount of OH D) All of the above E) None of the above 5,5, therefore 58. Orange juice has a pH = 3.5, and coffee has a pH A) Orange juice is twice as acidic as coffee B) Orange juice is 100 times as acidic as coffee C) Orange juice is 100 times as basic as coffee. D) Orange juice is twice as basic as coffee. E) Orange juice is twice as sweet as coffee. 59. How many grams of NaOH (40 g/mol) are needed to neutralize 0.500 L of a 4.00 M HCl solution? A) 40 g NaOH B) 80 g NaOH C) 8.00 g NaOH D) 4.00 g NaOH E) none of the above 60. A molecule of malonic acid contains three carbon atoms, four hydrogen atoms, and four oxygen atoms, and the chemical formula of malonic acid is written H,C3H2O4. Based on this formula, which of the following ionic compound does not exist? A) NaHC,H, O B) Na,C,H, O C) Na,CHOD) K C,H, O E ) LICH,04 61. Why is the boiling point of heptane higher than the boiling point of butane? A) Heptane has more structural isomers than butane. B) Heptane has a higher heat of combustion than butane. C) Heptane weighs more than butane. D) Heptane has more hydrogen bonding than butane. E) Heptane has 7 letters in its name, butane has only 6.

Answer 1

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