Solid potassium oxide is heated in the presence of sulfur trioxide gas

What is the mass of 4 molecules of co2

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?