Combustion of an unknown hydrocarbon produces 0.954 mole co2 and 1.27 mole h2o. what is the emperical formula of the unknown?

2. how is heavy water different from normal water

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

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.