If you have 10,000 grams of a substance that decays with a half-life of 14 days, then how much will you have after 56 days?

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?