How are Mass and volume related, when determining density?

Two moles of an unknown substance were shown to have a mass of 240g. What molecular mass does the substance have?

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. Increasing the concentration of reactants will increase A. how often they come in contact B. the amount of energy they have C.

The true facts of science must agree with the Bible

Nevermind i got it!

State of most nonmetals at room temperature

Carbon is black, crystalline and hard. Oxygen alone is a gas. How does the substance that is formed when these two elements combine differ from carbon?

When should you read the label on a chemical container?

How does acetaldehyde impurity arise in the fermentation?

What are the three parts that make up Earth's mantle?

which pattern is a characteristic of a graph of exponential growth A straight line B rises sharply on the right C A shape D rises sharply on the left