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Chemistry, 21.06.2019 21:30
The reaction q+r2=r2q is found to be first order in r2 and
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You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
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Chemistry, 22.06.2019 10:50
How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.
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A sample gas of mass 2.82g occupies a volume of 639 ml at 27 C and 1.00 atm pressure. What is the mo...
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