The wheels of a car are able to spin due to the combustion of gasoline inside the car's engine. what type of energy transfer best explains this process?
a. mechanical energy is converted to light energy.
b. mechanical energy is converted to heat energy.
c. chemical energy is converted to mechanical energy.
d. light energy is converted to electromagnetic energy.

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

In which situation can a mixture always be called a solution

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.