Ethanol Melts at -114 °C and Boils at 78 °C

question 30

Multiple Choice

Ethanol melts at -114 °C and boils at 78 °C at a constant pressure of 1 atm.What state of matter must a sample of ethanol be in at 0°C and 1 atm?

• A)liquid
• B)gas
• C)solid
• D)solid and liquid in equilibrium
• E)liquid and gas in equilibrium

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Definitions:

Automatic Processes

Cognitive activities that occur with little to no conscious effort or control, such as breathing or driving a familiar route.

Conscious Behaviors

Actions that individuals are aware of doing and are able to control, typically involving thought and intention.

Controlled Processes

Activities that require conscious, deliberate thought and effort, distinguished by their high demand on cognitive resources.

Conscious Awareness

The mental state of being fully present and fully perceptible of internal and external events or experiences at the moment.