Chemistry, 12.01.2021 16:10 tiannaetzel
For these problems, use the formula
Final mass x 2^H = Original mass, where H= # of half lives
4. If carbon-11 has a half life of 20 minutes, how long would it take for 1000g to decompose down to 31g?
5. If 40g of Rhodium-101 decompose down to 5g in 9 years, what is the half life of Rhodium-101?
6. Einsteinium-255 has a half-life of 40 days. What was the starting mass if there are 15g left after 200 days?
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 20:30
You are to give ampicillin with a recommended dose of 25mg/kg to a child with a mass of 29kg. if stock on hand is 250mg/capsule how many capsules should be given?
Answers: 1
Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
Answers: 3
Chemistry, 22.06.2019 07:30
Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?
Answers: 2
Chemistry, 22.06.2019 17:30
To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.
Answers: 1
You know the right answer?
For these problems, use the formula
Final mass x 2^H = Original mass, where H= # of half lives
Questions
Biology, 30.03.2021 17:30
Mathematics, 30.03.2021 17:30
English, 30.03.2021 17:30
Mathematics, 30.03.2021 17:30
World Languages, 30.03.2021 17:30
Chemistry, 30.03.2021 17:30
Mathematics, 30.03.2021 17:30
Mathematics, 30.03.2021 17:30
English, 30.03.2021 17:30
Mathematics, 30.03.2021 17:30
