Aballoon is filled with water. the balloon is heated and begins to expand. the water inside begins to turn into steam. what will happen to the mass of the balloon? a) the mass will stay the same. b) the mass will increase since gases do not have mass. c) the mass will increase since liquid will have more mass. d) the mass will decrease since the liquid will take up less space.

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

0.09 moles of sodium sulfate in 12 ml of solution