Chemistry, 26.09.2019 23:00 izeahzapata1
Thallium-207 decays exponentially with a half life of 4.5 minutes. if the initial amount of the isotope was 28 grams, how many grams of the isotope will remain after 7 minutes?
Answers: 1
Chemistry, 21.06.2019 23:00
Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.
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Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass
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Chemistry, 22.06.2019 11:40
Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?
Answers: 1
Thallium-207 decays exponentially with a half life of 4.5 minutes. if the initial amount of the isot...
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