If you have 400 grams of a substance that decays with a half-life of 14 days, then how much will you have after 56 days?

How does energy from the earth become part of out bodies?

Balance chemical equation ClO2+H2O=HClO3+HCl

Which excerpt from "Bone Detective" best shows that Diane France is recognized as an expert in her line of work? But, once again, she was able to produce an amazingly detailed impression.

1.) What is this group of words? The cats ran. A.) a good sentence B.) comma splice C.) run-on D.) fragment 2.) What is this group of words? The giant turtle named Bob. A.) a good sentence B.) comma splice C.) run-on D.) fragment 3.

Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. what is the molar concentration of h3o + in a cola that has a ph of 2.670

Hydrogen sulfide gas and sulfur dioxide gas react to form solid sulfur and water. If 10.0g of gaseous hydrogen sulphide is mixed with 10.0g of gaseous sulfur dioxide, how many grams of solid sulfur can form?

Describe the contributions of the following scientists to our knowledge of atomic structure: J. J. Thomson, R. A. Millikan, Ernest Rutherford, and James Chadwick

If you have 400 grams of a substance that decays with a half-life of 14 days, then how much will you have after 56 days?

As an electron gains energy, it becomes excited and jumps to a lower energy level?

If 3.011 x 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance?