Chemistry, 01.07.2019 10:30, ellllaaaxx
1. which of the following nuclear equations is correctly balanced? (choices attached) 2. the half-life of thorium-234 is 24 days. if you have a 42.0 g sample of thorium-24, how much will remain after 72 days? a. 42.0 g b. 21.0 g c. 10.5 g d. 5.25 g 3. it takes 5.2 min for a 4.0 g sample of francium-210 to decay until only 1.0 g is left. what is the half-life of francium-210? a. 1.3 min b. 2.6 min c. 5.2 min d. 7.8 min
Answers: 1
Chemistry, 22.06.2019 06:40, CylieTbh
Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 3
1. which of the following nuclear equations is correctly balanced? (choices attached) 2. the half-...
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