Brawnerium-66 which has a half-life of 14.5 minutes. If I start with a 280 gram, how much time will have passed when only 35 grams is remaining of 280?

Summarize possible ways in which phases of matter could combine to form a solution.

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2