The chemical formula for hydrogen bromide is HBr. A chemist determined by measurements that 0.0950 moles of hydrogen bromide participate in a chemical reaction. Calculate the mass of hydrogen bromide that participates. Round your answer to 3 significant digits.

What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air

When the water vapor cools it condenses select a number that represents his process on the

Compare and contrast physical changes with chemical changes.