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A 3.23 gram sample of a sodium bicarbonate mixture was reacted with excess acid. 48.52 mL of the evolved gas was collected over the water at 0.930 atm and 23.0 degrees Celsius. What is the percentage of sodium bicarbonate in the original mixture?
Which one of the following alcohols undergoes dehydration at the fastest rate on being heated with sulfuric acid
The maximum temperature attainable in the crucible on strong heating with a Bunsen burner is approximately 800°C. Can the magnesium evaporate under the conditions of this experiment? Why or why not?
imagine that you are an environmental scientist. working in collaboration with a university chemist you were able to
what is the theoretical yield of hydrogen gas when 12.5g of sodium metal reacts with an excess of water while also
If a bottle of nail polish remover contains 175mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788g/ML.
What volume of carbon dioxide gas is produced after the complete combustion of 1L of methane gas?
NMR of D exhibits resonance at -4 ppm. - On heating D, a flammable gas and A are formed. - Reaction of C with CH3I affords white solid E whose proton NMR shows a single resonance around 0.2 ppm. Identify A-E.
if you have 5l of a 10m solution and wish to make 100 mls of 0.01m how many mls of 10m solution would you use and how
A chemical process is used to convet toulene (MW=92) and hydrogen to benzene (MW=78) and methane (CH4) by the reaction : Toulene+H2->Benzene+CH4
The coal that is burned is a form of pure carbon. (Diamonds and graphite are other forms of pure carbon). A sample of coal is completely burned in a 10.0 L cylinder at a constant pressure of 1.10 atm and a temperature of 1000 oC.
15.0 ml sample of .1m baoh2 is titrated with .125 m hcl. calculate the ph for atleast five different throughout the
To melt an ionic solid, energy must be supplied to disrupt the forces between ions so the regular array of ions collapses. If the distance between the anion and cation in a crystalline solid decreases
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