Please help and show work If 22.0 L of a gas at 155 kPa changes to a volume of 10.0 L then what is the new pressure if temperature is constant- {Boyle’s law}

If 20.0 L of oxygen at – 25°C is heated to 100°C and pressure remains constant, find the new volume- {Charles’s law}

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.