Sprint 2:38 PM * 29% Done 11 of 13 33. The figure H-C-HCH b) covalent bond c) io

Question

Sprint 2:38 PM * 29% Done 11 of 13 33. The figure H-C-HCH b) covalent bond c) ionic bond d) hydrogen bond 34. Type of energy associated with a running horse ial energy b) kinetic energy 35. Water is an important molecule in the body for all the following reasons except a) It helps the body maintain temperature homeostasis. b) It is involved in chemical reactions. c) It is the main solute in the body d) It acts as a lubricant. 36. In an acidic solution: a) the pH would be below 7 b) there would be a higher concentration of H+ then OH- c) there would be a higher concentration of OH- then H+ d) the pH would be below 7 and there would be a higher concentration of H+ 37. Which of the following is true about buffer systems? ) Buffers are substances that act quickly to temporarily bind OH )Buffers cause the pH of fluids inside and outside of the cell to change. Buffers convert strong acids and bases into weak acids and bases. Buffers remove H+ from the body. 4 ]

Explanation / Answer

33) b. covalent bond ( involves sharing of electrons)

34) b.kinetic energy ( as the horse is in motion)

35) d

36)d. the pH of acid would be below 7and there would be a higher concentration of h+ ions than OH- ions

37)c. buffers converts strong acid and bases into weak acid and weak bases.

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