Consider the unbalanced equation for the oxidation of butene. c4h8 + 6o2 mc022-1.jpg co2 + h2o for each molecule of c4h8 that reacts, how many molecules of carbon dioxide and water are produced? two carbon dioxide molecules and two water molecules four carbon dioxide molecules and four water molecules two carbon dioxide molecules and four water molecules four carbon dioxide molecules and two water molecules

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

Need on both questionswill markbr />

Explain what happens at the saturation point when adding salt to water at room temperature.