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what simple test would you use to identify the possible presence of HCl (aq)? what result do you expect if the solution is HCl (aq)?
The final temperature of the mixture is 27.0 degrees celsius. What is the heat capacity of the unknown substance?
By plotting these data in a suitable fashion, determine whether the Clausium-Clapeyron equation is accurate. If so, use your plot to determine ΔHvap for C6F6.
How do you find the ratio of the cis and trans isomers from the H NMR spectrum?
Write out the un-ionized structure of valine & phnylalanine. Do either have enantiomers? Write the zwitterion structures of both.
A gas under a pressure of 74 mmHg and at a temperature of 75C occupies a 500.0-L container. How many moles of gas are in the container?
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 720. mL at 25.0 oC and a barometric pressure of 755 torr.
When distilling a pure compound, the boiling temperature remains constant although you are heating the flask. Why?
Chemistry Concentrations, In each of the following pairs, indicate which has the higher concentration of Cl- ion
how many grams of carbon dioxide are produced when 2.50g of sodium hydrogen carbnate reacts with excess citric acid according to the equation: 3NaHCO3 + H3C6H5O7 -> Na3C6H5O7 + 3CO2 + 3H2O.
175g of water was heated from 15c to 88c. how many calories were absorbed by the water
How many grams of aluminum hydroxide are obtained from 18.2g of aluminum sulfide?
the hydrogen atom relaxes to a lower energy level, emitting light of 397 nm. What is the value of n for the level to which the electron relaxed.
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