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How many mL of 6.0M H2SO4 are required to react with .80g of CuO according to the equation CuO(s)+H2SO4(aq)=CuSO4(aq)+H20(l)
how do you caclulate the theoretical yield? I began using 2.00 g of Salicylic acid, 5.0 mL of acetic anhydride, and added 5 gtts of concentrated sulfuric acid.
Sulfur in the air reacting with silver flatware to produce tarnish, or silver sulfide. What is the limiting and excess reagents?
An unknown compound X, is thought to have a carboxyl group with a pka of 2.0 and another ionizable group with a pka between 5 and 8. When 75 ml of 0.1 M NaOH was added to 100 ml of a 0.1 m solution of X at pH 2.0, the pH increased to 6.72.
the osmotic pressure at 20.0 degrees C is 3.62x 10^-3 atm. What is the molar mass of the protein hemoglobin?
If 21 mL of 6.0 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. Heat capacity of H2O(s) 37.7 J/(mol X K) Heat capacity of H2O(l) 75.3 J/(mol X K) Enthalpy of fusion H2O 6.01 KJ/m..
How would the following modifications of the experimental procedure used in this experiment affect the mass of the precipitate collected? Indicate whether the mass would be greater than, unchanges, or less than that obtained. Briefly explain the a..
Calculate the freezing point of a mixture that contains 4.68 g of diphenylamine (molecular weight 169.2 g/mol) dissolved in 46.64 g of cyclohexanol.
Calculate the change in chemical potential of the 12g of carbon dioxide after being completely released from the cartridge at room temperature.
A backpacker wants to carry enough fuel to heat 2.7 of water from 30 to 100.0 . If the fuel he carries produces 36 of heat per gram when it burns, how much fuel should he carry? (For the sake of simplicity, assume that the transfer of heat is 100 ..
How many moles of N2 are produced by the decomposition of 1.40 of NaN3 ?
When strontium bromide (SrBr2) is heated in a stream of chlorine gas, it is completely converted to strontium chloride
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