The table representing the difference in energy for axial-equatorial groups is given. The pictures of axial conformations of isopropylcyclohexane and t e r t − butylcyclohexane and an explanation corresponding to increase in large energy of tert-butyl substituent over the isopropyl group is to be stated. Concept introduction: The cycloalkane with molecular formula C 6 H 12 is called cyclohexane. This six vertex ring does not show the shape of a complete hexagon. In the case of hexane, the bond angles between carbon atoms are 109.5 ° due to which it has some angle strain that is known as torsional strain. This strain is reduced by cyclohexane, after it adopts a 3 − D structure known as chair conformation. To determine: The pictures of axial conformations of isopropylcyclohexane and t e r t − butylcyclohexane and an explanation corresponding to increase in large energy of tert-butyl substituent over the isopropyl group.

Question

(1) Slick Johnny burns 1.2 Kcal/min when he's completely chilled and fasted. He lives on moonshine whiskey which is about 40% ethanol (assume a g is about an ml). Assuming there isn't much else of nutritional value, how much would he have to drink to maintain his body weight. 0.62 L 0.82 L 0.93 L 1.44 L (2) Assuming ethanol (C2H6O) is completely burned to CO2 and H2O, what would Slick Johnny's RQ be? 0.67 0.74 0.86 0.96

Answer 1

Question

Chapter 3.14, Problem 3.24P

Interpretation Introduction

Interpretation: The table representing the difference in energy for axial-equatorial groups is given. The pictures of axial conformations of isopropylcyclohexane and tert−butylcyclohexane and an explanation corresponding to increase in large energy of tert-butyl substituent over the isopropyl group is to be stated.

Concept introduction: The cycloalkane with molecular formula C6H12 is called cyclohexane. This six vertex ring does not show the shape of a complete hexagon. In the case of hexane, the bond angles between carbon atoms are 109.5° due to which it has some angle strain that is known as torsional strain. This strain is reduced by cyclohexane, after it adopts a 3−D structure known as chair conformation.

To determine: The pictures of axial conformations of isopropylcyclohexane and tert−butylcyclohexane and an explanation corresponding to increase in large energy of tert-butyl substituent over the isopropyl group.

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(1) Slick Johnny burns 1.2 Kcal/min when he's completely chilled and fasted. He lives on moonshine whiskey which is about 40% ethanol (assume a g is about an ml). Assuming there isn't much else of nutritional value, how much would he have to drink to maintain his body weight. 0.62 L 0.82 L 0.93 L 1.44 L (2) Assuming ethanol (C2H6O) is completely burned to CO2 and H2O, what would Slick Johnny's RQ be? 0.67 0.74 0.86 0.96

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