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How much energy (in kilojoules) is released when 14.0 g of steam at 129.0^C is condensed to give liquid water at 78.0C? The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3J/ K mol for the liquid and 33.6 J/ K mol for the vapor
The molar mass of cellulose is approximately 6.0 x 10^5 g/mol and the molar mass of a soluble starch is on the order of 4.0 x 10^3 g/mol. The monomer unit in both of these molecules has the emperical formula C6H10O5.
Which conformation of bromo-cyclohexane undergoes reaction with potassium t-butoxide and use a Newman diagram to explain
Nitrogen dioxide reacts with water to form ammonia and oxygen. At a temperature of 23.0 degrees Celsius and a pressure of 1.01 atm, how many grams of ammonia can be produced when 9.00L of nitrogen dioxide react?
What mass of sodium cyanide must be added to 250ml of water in order to obtain a solution having a pH of 10.50? Ka(HCN) = 4.9 x 10 ^-10
A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are present in a typical adult
Chemical Structure and Hydrogen Bonds in Base Pairs, Draw the chemical structure of a correctly base paired G-C pair, then re-draw the pair with a propeller twist these answers should all be on one page following box G.
The pH of a bicarbonate-carbonic acid buffer is 6.95. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-)
When 3 methyl 1 butane reacts with Hbr, two alkyl halides are formed: 2 bromo 3 methylbutane and 2 bromo 2 methyl butane. Propose a mechanism that explains the formation of these products.
What is the molarity of a solution formed by mixing 20.0 g sulfuric acid with enough water to make 500.0 mL of solution?
0.10 mol of argon gas is admitted to an evacuated 50cm^3 container at 20C. The gas then undergoes an isobaric heating to a temperature of 300C.
looking for a good introduction for this lab and any random data showing the results on how to calculate the equilibrium constant for the reaction shown above.
What mass of copper would you expect to be deposited from a copper (II) sulphate solution using a current
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