8. Thermochemistry

What is the primary source of energy converted by producers in an ecosystem?

Which of the following best describes the effect of adding thermal energy to a substance?

In an energy pyramid, which trophic level contains the most energy?

In which of the following environments are convection currents most likely to form?

Chemical energy is a form of _____ energy.

A plant uses energy from the sun to make food. What kind of energy transformation is this?

When a liquid is heated, which of the following best describes what happens to its particles?

Which symbol is commonly used to represent thermal energy in chemistry?

How does energy initially enter an apple?

In a chemical compound, where is the chemical energy primarily stored?

Which of the following best describes the effect of increasing thermal energy on the atoms or molecules in a sample of matter?

Chemical energy can be converted into mechanical energy through which of the following systems?

When water in a puddle warms up, what is the most likely process that occurs next?

Which statement best describes how energy is involved in the process of condensation?

In which part of a molecule is energy primarily stored?