A phase change from a solid to a gas is called what

How does an enzyme increase the rate of the chemical reaction it catalyzes?

What intermolecular forces occur between two methane molecules?

Is cotton opaque or not

Using all three of Newton's laws, explain how objects react to forces.

Which of these outcomes is conclusive evidence that mixing sugar in water is a physical change? There is no change in color. There is no precipitate formed. There is no gas given off. There is no molecular change.

Nonmetal oxides can react with water to form acids. For example, carbon dioxide reacts with water to form carbonic acid: CO2 H2O H2CO3. (1) Write an equation to show how diiodine pentaoxide reacts with water to form an acid. Do not include states.

If atmospheric pressure suddenly changes from 1.00 atm to 0.892 atm at 298 k, how much oxygen will be released from 4.40 l of water in an unsealed container?

Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is ch2o.

Draw the organic product of the following nucleophilic reaction

How does the energy of the activated complex compare with the energies of reactants and products? select one: a. it is lower than the energy of both reactants and products. b.