A Particular Compound Has an Enthalpy of Vaporization of 28300

question 33

Multiple Choice

A particular compound has an enthalpy of vaporization of 28300 J/mol.At 281 K it has a vapor pressure of 101 mmHg.What is its vapor pressure at 301 K? (R = 8.31 J/K·mol; 1 atm = 760 mmHg)

• A) 98.8 mmHg
• B) 123 mmHg
• C) 45.2 mmHg
• D) 226 mmHg
• E) 103 mmHg

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Definitions:

Excitatory Neurotransmitters

Chemical substances that promote the firing of neurons, facilitating communication within the brain and nervous system.

Inhibitory Neurotransmitters

Chemicals released by neurons in the brain that serve to inhibit or prevent neural signals, reducing neuron activity.

Neuron

A neuron is a nerve cell that is the basic building block of the nervous system, responsible for receiving, processing, and transmitting information through electrical and chemical signals.

Serotonin

A neurotransmitter with various functions, including contributing to feelings of well-being and happiness.