Describe two uses of surfactant. at least one must be something that was not described in the passage. for each example explain how the effects of the surfactant mike it useful

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

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.

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron