C-14 has a half-life of 5730 years. Suppose you start with 80 grams of C-14. How long will it take until you are left with 40 grams of C-14? 5730 years

11,460 years

2865 years

17190 years

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Areaction in which products can react to re-form reactants is

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.