Increasing which factor will not increase the rate of a chemical reaction? A. surface area

B. product

C. heat

D. concentration of reactants

Determine the mass, in grams, of 0.400 moles of Pb (1 mol of Pb has a mass of 207.2 g).

Powdered sulfur and iron filings are mixed together. What physical property could you use to separate them?

Which of the following did Antoine Lavoisier correctly characterize as an element

A solution in which water is the solvent is called a aqueous or saturated solution?

How did coroners handle their responsibilities in the early 1900s? Why was there a need for significant change in the job?

What is the name of the reaction of chlorine and potassium iodide?

What enables Dna to have so many variations with only 4 chemicals?

A chemist obtains 500.0 mL of a solution containing an unknown concentration of calcium iodide, CaI2. He pipets 15 mL of this solution into a 100 mL volumetric flask and dilutes to the mark.

Enthalpy changes that are difficult to measure directly can often be determined using Hess' Law to construct an enthalpy cycle.

Student follow up The ionic equation for the reaction between zinc and sulfuric acid is. Zn (s) + 2H (aq) - - Zn" (aq) + H2 (g) a State what has been oxidised in this reaction. Explain your answer in terms of electrons.