Chemistry, 20.07.2019 01:30 kcameronanderso
Pl 5. the following equations represent part of a radioactive decay series: 1. 92238u -> a + 24he 2. a -> 91234pa + b 3. 91234pa -> c + –10e 4. c -> 90230th + 24he 5. 90230th -> d + 24he 6. d -> 86222rn + e 7. 86222rn -> 84218po + f 8. 84218po -> g + 24he 9. g -> 83214bi + h 10. 83214bi -> i + –10e 11. i -> j + 24he fill in the table with the correct particle or element, and describe the types of radiation given off in the series.
Answers: 1
Chemistry, 22.06.2019 19:00
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
Answers: 1
Chemistry, 23.06.2019 02:30
When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule
Answers: 1
Pl 5. the following equations represent part of a radioactive decay series: 1. 92238u -> a +...
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