How much of a sample remains after five half-lives have occurred?
a. 1/5 of the original sample
b. 1/25 of the original sample
c. 1/32 of the original sample
d. 1/64 of the original sample

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure