11/10/20

Instead of using an oven at 110 degrees• C you accidentally put your sample in an oven at 300 degrees •C . You weigh your sample and discover that 0.324 g has been lost.

A.) Was all of this mass loss due to the evaporation of water? Why / why not?B.) Why did the higher temperature lead to this result ?

10/22/20

What was the final total pressure in the cylinder (in atm) after the reaction, while it was still at 125°C?

A 11.3 mL sample of liquid ethanol (C₂H₅OH, density = 0.789 g/mL) was injected into a 10.0 L cylinder containing O₂ at a pressure of 4.50 atm and a temperature of 25°C. The cylinder was heated to... more

10/19/20

Calculate the grams of calcium carbonate (CaCO3) that will dissolve in 1.0L of 0.020 M Na2CO3?

Calculate the grams of calcium carbonate (CaCO3) that will dissolve in 1.0L of 0.020 M Na2CO3?Having trouble with this question. Any help would be appreciated!

10/18/20

seven less than the product of 18 and malik's height

seven less than the product of 18 and malik's height

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