How many grams of carbon dioxide are used to produce 10.0 grams of calcium carbonate in the reaction: CO2(g) ~ cO2 (aq) ~ H2C03 (aq) ~ H+ + HC03 (aq) ~ H+ + CO2-(aq) ~ CaC03(S) (chicken breath)(egg shell)

Strong conductivity of plasma allows it to act and react as and

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

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.