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Some physical properties of water are shown below.
freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m
What is the freezing point of a solution of ethylene glycol (antifreeze), a nonelectrolyte, that contains 140. g of C2H6O2 dissolved in 290. g of water? Use molar masses with at least as many significant figures as the data given.
determine partial pressure and number of moles of each gas in a 17.25 L vessel at 30 degrees celsius containing a mixture of xenon and neon gases only.
Description of Chemical Reactions, Why when heating and cooling three different separate substances in open containers does the mass change in two of them (one loss mass; the other gained mass) but stays the same in the third when it is known that..
50.0 mL of a 1.70 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 185 mL of water. What is the final concentration
The temperature dependence of the reaction rate constant is given by the equation: ... ln k = ln A - Ea/RT ... ... Where: k = rate constant T = temperature A
Concentration of a Species, One mole of NOCl gas is added to a 4.0L container. The NOCl undergoes slight decomposition to form NO gas and Cl2 gas.
Calculate the change in enthalpy and entropy of 50 g of liquid water starting at 10 degrees Celsius and completely evaporating into H2O gas at 100 C.
cinnamaldehyde and aniline 2) benzaldehyde and m-nitroaniline 3) benzaldehyde and aniline 4) cyclohexanone and aniline Help would be greatly appreciated and generously ranked
Determine ΔG for this reaction When A is full into a cylinder at a pressure of 9.89 atm and the system is permitted to come to equilibrium, the final pressure was 15.94 atm.? Express your answer in units of kJ/mol
what is the minimum number of Kilo Joules needed to change 40 grams of water 100 C to steam at the same temperature and pressure?
In a gas mixture the partial pressures are nitrogen 425 torr, oxigen 115 torr, and hellium 225 torr. What is the total pressure (atm) exerted by the gas mixture?
When anisole is nitrated with nitric acid/sulfuric acid, what product or product mixture is formed?
provide the structures for the two products indicate two features of the spectrum (ie hydrogen ratio, peaks, classification of peak (singlet doublet etc) that would justify assigning the structure.
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