Chemistry, 06.12.2019 03:31 drewdean5545
An animal skeleton has a carbon-14 decay rate of 13.1 disintegrations per minute per gram of carbon. when did the animal die? (assume that living organisms have a carbon-14 decay rate of 15.3 disintegrations per minute per gram and that carbon-14 has a half-life of 5730yrs.)
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Chemistry, 21.06.2019 22:30
Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?
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Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Chemistry, 22.06.2019 19:00
A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
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To calculate the molarity of a solution, you need to know the moles of solute and the
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An animal skeleton has a carbon-14 decay rate of 13.1 disintegrations per minute per gram of carbon....
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