Describe what happens when the two gases with different Temperatures are mixed. How does the temperature change? What is the mechanism for the speed of the particles to change. Are the average speeds of light and heavy particles the same, and if not why? Explain

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

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.

What can be done to make a solid solute dissolve faster in a liquid solvent?