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Under constant pressure conditions, a sample of hydrogen gas initially at 88.0 degree C and 9.50 L is cooled until its final volume is 3.00L. what is its final temperature?
The NaOH Solution with a concentration of .188M is used to titrate a diprotic acid of unknown concentration. 25.00 mL of the acid solution requires 26.54 mL of NaOH solution. What is the concentration of the acid solution
The value of ?G° for a reaction conducted at 25 °C is 2.8 kJ/mol The equilibrium constant for a reaction is at this temperature
write a 200 word essay in any style and identify and discuss three key features associated with the combustion of
(a) What is the molecular weight of the drug? (b) What is the boiling point of the solution? (c) What is the osmotic pressure of the solution?
Calculate the value of E^o cell for the reaction 2Ag(s) + Ca2+ (aq) yields 2Ag+(aq)+Ca(s), using the standard reduction potentials
What would be the equilibrium pH value of rainwater if atmospheric SO2 gas were its only dissolved constituent? Assume that the fugacity (activity) of SO2 gas in the atmosphere is 5 x 10-9 bar
Gasoline is composed of hydrocarbons. Which additive, ethanol or MTBE, is more compatible (similar) with gasoline? Why? Gas manufactures definitely prefer one of these additives over the other because of the ease of mixing
A 0.5220 g sample of an unknown monoprotic acid was titrated with 9.98×10?2 M NaOH . The equivalence point of the titration occurs at 23.70 mL. Determine the molar mass of the unknown acid.
if 2.50 mol of copper ii and 5.50 mol of silver nitrate are available to react by single replacement. what is the
What happens to the average kinetic energy of the particles in a sample of matter as the the temperature of the sample is increased
If a 1-mole sample of a real gas from a compressed gas cylinder goes from 230 atm to 1 atm and from a volume of 1cm3 to 195cm3, what is the entropy change for the expansion if it is assumed to be isothermal.
Use the following balanced equation for the problem below: 2HCl + Na2CO3 = 2NaCl + CO2 + H2O If 35.0 gm of Na2CO3 is reacted with 18.0 gm of HCl, how many grams of CO2 are produced
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