1. How many moles of potassium are present in 4.23 x 1025 potassium atoms?
(show solution)
ple...
Chemistry, 17.11.2020 07:50, nemorinavory3832
1. How many moles of potassium are present in 4.23 x 1025 potassium atoms?
(show solution)
please help if u know only. ty
Answers: 2
Chemistry, 21.06.2019 16:30, monnicawilliam
Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming
Answers: 2
Chemistry, 23.06.2019 01:30, jonmorton159
At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.
Answers: 1
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