How Much Energy Is Required to Convert 2 $\Delta$ H_vap = 23

question 51

Multiple Choice

How much energy is required to convert 2.785 moles of liquid ammonia at -50.00°C to gas at 25.00°C? [C_p(liquid) = 80.80 J/(mol . °C) ; C_p(gas) = 35.06 J/(mol . °C) ; $\Delta$ H_vap = 23.35 kJ/mol at the normal boiling point of -33.34°C]

• A)74.48 kJ
• B)38.11 kJ
• C)14.76 kJ
• D)24.20 kJ
• E)69.84 kJ

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Definitions:

X-linked Recessive

A pattern of inheritance in which a mutation is located on the X chromosome, typically affecting males more severely since they have only one X chromosome.

Heritability

A measure of how much of the variation in a trait among individuals within a population can be attributed to genetic differences.

Twins

Two individuals born from the same pregnancy, who can be either identical (from one egg) or fraternal (from two different eggs).

Adopted Children

Children who have been legally taken and raised by parents who are not their biological parents.