Substance that undergoes a change in a chemical reaction is

a. a product

c. a reactant.

b. a chemical.

d. an enzyme.

Fusion reactions are commercially viable because they require low energies to initiate and sustain a reaction. True False

Tcs food that stay in the tempature danger zone for 4 hours or longer

A tank of 0.1m3 volume contains air at 25∘C and 101.33 kPa. The tank is connected to a compressed-air line which supplies air at the constant conditions of 45∘C and 1500 kPa.

How many calories are required to raise the temperature of 50.0 grams of water to 75.0 °C

Why does a crushed solid react with a gas more than a chunk of the same solid?

How are revolution and year related

Read the scientific question below. "Does sunlight make plants live?" What is a likely hypothesis for the question?

A chemist is using a solution of HNO3 that has a pH of 3.75. What is [H+] for the solution?

What is the oxidation number for CO2

Which is a property of acids in aqueous solutions?