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In a 100 ml sample of buffer solution made of propanoic acid concentration .35M and sodium propanoate concentration .5M some NaOH is added. .0040 mole of solid NaOh is added Calculate pH of solution
In an experiment 1.550g of mercury oxide decomposed to give oxygen gas and 1.435g of liquid mercury. What is the empirical formula of mercury oxide
If 405 mL of a gas at 66 degrees Celsius and 595 mm Hg weighs 1.495g, what is the molecular weight of the gas?
Using the data shown in the table, calculate the pressure exerted by 1.00 moles of CO2 confined in a volume of 3.00 L at 450. K. Compare the pressure with that predicted by the ideal gas equation.
derive an expression for the compression factor of a gas that obeys the equation of statenbsp pv - nb nrt where b and
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 1-bromopropane. Draw the chemical structure of the alkene that you could make using these reagents in a synthesis that involves the Wittig reaction.
The experimental value of nylon 6,10 is 2.160 grams. I need to calculate the theoretical mass of nylon 6,10, in order to find out the percent yield.
The two phases are allowed to come to equilibrium with their product ammonia in a vessel of fixed volume and at a temperature
the vapor pressure of pure A and pure B are 76.5 kPa and 48.2 kPa respectively. When the total vapor pressure is .593 atm, calculate the mole fraction of A and B in the liquid mixture
mineral pyrolusite mno2 manganese oxide is a compound of manganese-55 and oxygen-16. determine the empirical formula of
In a titration of 38.16 mL of 0.1234 M hydrazoic acid (HN3, Ka = 1.900x10-5) with 0.08559 M KOH, what is the pH after 87.78 mLs of titrant have been added
For each of the following salt solutions, indicate whether the solution will be acidic, basic or neutral. Then using data given below, calculate [OH-] or [H3O+] and pH for each solution.
Calculate the amount of heat required to raise the temperature of 72 g of H2O from 23 degrees celcius to 115 degrees celcius
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