Cobalt (II) chloride dissolved in water is poured into an aqueous solution of sodium carbonate.

Table sugar completely dissolved in water is an example of a?

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.

Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants