Plutonium-240 decays according to the function \[q(t)=q _{o}e ^{-kt}\] where q represents the quantity remaining after t years and k is the decay constant, 0.00011.. how long will it take 36 grams of plutonium-240 to decay to 12 grams? . a. 18,900 years. b. 1.44 years. c. 9,990 years. d. 2,100 years.

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

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

What is the percentage of hydrogen in nitrogen trihydride