subject
Chemistry, 02.05.2021 01:40 gabrielpoyer37

The half-life of chromium-51 is 27.7 days. If you begin with 53.6 mg of this isotope, what mass remains after 74.0 days have passed? mg

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
Answers: 2
question
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
question
Chemistry, 22.06.2019 04:30
In which phase(s) do the molecules take the shape of the container?
Answers: 1
question
Chemistry, 22.06.2019 05:30
What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
Answers: 1
You know the right answer?
The half-life of chromium-51 is 27.7 days. If you begin with 53.6 mg of this isotope, what mass rema...
Questions
question
Chemistry, 17.03.2021 23:50
question
Mathematics, 17.03.2021 23:50
question
Mathematics, 17.03.2021 23:50
Questions on the website: 13722367