a chunk of dry ice, solid co2, disappears after sitting at room temperature for a while. there is no puddle of liquid. what happened?

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.