In Which One of the Following Processes Is ΔH =

question 2

Multiple Choice

In which one of the following processes is ΔH = ΔE?

• A)2HI(g)→ H ₂(g)+ I ₂(g)at atmospheric pressure.
• B)Two moles of ammonia gas are cooled from 325 °C to 300 °C at 1.2 atm.
• C)H ₂O(l)→ H ₂O(g)at 100 °C at atmospheric pressure.
• D)CaCO ₃(s)→ CaO(s)+ CO ₂(g)at 800 °C at atmospheric pressure.
• E)CO ₂(s)→ CO ₂(g)at atmospheric pressure.

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Definitions:

Alcohol

A psychoactive substance found in drinks such as beer, wine, and spirits, capable of altering mood and behavior.

Heroin

An opioid drug made from morphine, a natural substance taken from the seed pod of the various opium poppy plants, known for its addictive properties and illegal status in many countries.

Depressants

A category of drugs that reduce the functioning of the nervous system, often prescribed to relieve anxiety, induce sleep, or manage seizures.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, known for its addictive properties and illegal status in many countries.