Chemistry, 13.07.2019 12:00 itasykamila
Asample of an unknown liquid has a volume of 12.0 ml and a mass of 6 g. what is its density? show your work or explain how you determined this value.
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Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green
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Chemistry, 23.06.2019 03:10
Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge
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Chemistry, 23.06.2019 13:00
How many grams of oxygen gas will react completely with a block of calcium metal that is 3.0 cm by 3.5 cm by 4.2 cm, if the density of calcium is 1.55 g/ml? show all steps of your calculation as well as the final answer.
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Chemistry, 23.06.2019 14:30
If energy was included in a chemical reaction, on which side of the equation would it be written for an endothermic reaction?
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Asample of an unknown liquid has a volume of 12.0 ml and a mass of 6 g. what is its density? show y...
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