2 H2 + O2 2 H2O
a. What are the reactants?
b. What is the product?
c. Is the reaction balanced?
d. Write the "word equation" that you would use to describe this reaction.

In which of these cases are the two wave points considered to be in phase with each other?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d