(a) Interpretation: The number of chiral carbon atoms present in the given sugar is to be predicted. The number of stereoisomers exists for the sugar is to be predicted. Concept introduction: A carbon atom that has four nonequivalent atoms or groups attached to it is known as chiral carbon atom. Chiral carbon centers are also called asymmetric or stereogenic centers.

Question

Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the temperature. Additionally, the values of these other properties of X have been determined: melting point enthalpy of fusion 90. °C 8.00 kJ/mol boiling point 130. °C enthalpy of vaporization 44.00 kJ/mol density 2.80 g/cm³ (solid) 36. J.K mol (solid) 2.50 g/mL (liquid) heat capacity 32. J.Kmol (liquid) 48. J.Kmol (vapor) You may also assume X behaves as an ideal gas in the vapor phase. Ex Suppose a small sample of X at 50 °C is put into an evacuated flask and heated at a constant rate until 15.0 kJ/mol of heat has been added to the sample. Graph the temperature of the sample that would be observed during this experiment. o0o 150- 140 130- 120- 110- 100- G Ar ?

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Question

Chapter 17, Problem 17.16E

Interpretation Introduction

(a)

Interpretation:

The number of chiral carbon atoms present in the given sugar is to be predicted. The number of stereoisomers exists for the sugar is to be predicted.

Concept introduction:

A carbon atom that has four nonequivalent atoms or groups attached to it is known as chiral carbon atom. Chiral carbon centers are also called asymmetric or stereogenic centers.

Interpretation Introduction

(b)

Interpretation:

The number of chiral carbon atoms present in the given sugar is to be predicted. The number of stereoisomers exists for the sugar is to be predicted.

Concept introduction:

A carbon atom that has four nonequivalent atoms or groups attached to it is known as chiral carbon atom. Chiral carbon centers are also called asymmetric or stereogenic centers.

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