In photosynthesis, water and carbon dioxide react in the presence of sunlight and chlorophyll to produce sugar and oxygen in plants. Explain why photosynthesis is not really a synthesis reaction.

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

Compare and contrast physical changes with chemical changes.

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature