Chemistry, 16.10.2019 17:10 solomander4
You are tasked to determine the density of an unknown object. you weigh out the mass of that object to be 6.587g. then you add water to a graduated cylinder and read the volume of the water to be 15.8 ml. finally you immerse the object in the water and the meniscus of the water rises to 19.2 ml. what was the density of the object based on these measurements?
Answers: 3
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Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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You are tasked to determine the density of an unknown object. you weigh out the mass of that object...
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