Chemistry Fall Semester Final Exam

Front

What is the best model of energy flow in the mantle?

Back

The best model of energy flow in the mantle is model B.

Front

What type of reaction is represented by NaHCO₃ + 129 kJ → Na₂CO₃ + H₂O + CO₂?

Back

This reaction is an endothermic reaction, meaning it absorbs heat.

Front

What type of reaction is combustion?

Back

Combustion is a chemical reaction that typically involves the burning of a substance in the presence of oxygen, producing heat and light.

Front

What geological formation occurs at a convergent boundary?

Back

At a convergent boundary, tectonic plates move towards each other, often causing one plate to be forced below another, leading to the formation of mountains, earthquakes, and volcanic activity.

Front

What is conduction in terms of energy transfer?

Back

Conduction is the transfer of heat through a material without the movement of the material itself, typically occurring in solids.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.

Front

What is radiation in terms of energy transfer?

Back

Radiation is the transfer of energy through electromagnetic waves, such as light or heat, without the need for a medium.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat.

Front

What is a combustion reaction?

Back

A combustion reaction is a chemical reaction that occurs when a substance reacts rapidly with oxygen, producing heat and light.

Front

What is a convergent boundary?

Back

A convergent boundary is a tectonic plate boundary where two plates move towards each other, often resulting in subduction or mountain formation.