Choose the correct statement. 1. A single displacement reaction produces an element as a product.

2. A double displacement reaction occurs between an ionic and a covalent compound.

3. Products of a complete combustion reaction are carbon dioxide and water.

4. Synthesis and Decomposition reaction products cannot be predicted with certainty.

What is the chemical formula of the following compound

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.