Chemistry, 01.09.2019 07:30 normarismendoza
In 36 hours the amount of radioactive substance has reduced from 80 mg to 10 mg. what is the half-life of this isotope?
Answers: 1
Chemistry, 22.06.2019 07:00
How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:
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Chemistry, 22.06.2019 16:50
Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
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Chemistry, 23.06.2019 00:30
The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils
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In 36 hours the amount of radioactive substance has reduced from 80 mg to 10 mg. what is the half-li...
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