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In the reaction between p-aminophenol and acetic anhydride to form acetaminophen, 0.450 ml of water was added. what is the purpose of the water?
Rank the following reactions in terms of increasing ?E for the reaction system (from most negative to most positive). All occur at a constant pressure of 1.000 atm.
A solution containing 0.2 mol of KBr and 0.2 mole of MgBr2 in 2.0 liters of water is provided. How many moles of Pb(NO3)2 must be added to precipitate
what is the density of the block? How to approach the problem The apparent mass of the object in the fluid, 5.6 , is equal to its mass in air, 50.0 , minus the mass of the displaced fluid
what is the hybridization state of the bridgehead carbons in [1.1.1] bicyclopentane (C5H8) and [1.1.1.0] tricyclopentane (C5H6)
sample of carbon monoxide gas occupies a volume of 0.225 L. The gas is transferred to a 1.50-L flask and the temperature is reduced to -15 degrees C. What is the pressure of the gas in the flask?
if H2 of 50.0 mL and C 2 H 4 of 50.0 mL are permitted to react at the pressure of 1.5 atm, produce C 2 H 6 that has a volume of 50.0 mille litres.. compute the amount of (PV )work done?
The mass percent of glucose(C6H12O6) in human blood is 0.102%. The density of human blood @ 37 C is 1.08 Kg/L. Assume the mixture of non-glucose components in blood is the solvent.
have 2.50 ml of 4.00 M sugar solution. You add 217.3 ml of water to this solution. determine the concentration of the sugar solution after the water has been added.
Why would the densities of the aqueous and organic phases be rather close. How is that possible.
a certain substance x decomposes. it is found that 50 of x remains after 100 minutes. how much x remains after 200
Citric acid, represented by H3Cit, is a triprotic acid. A student mixes together the following solutions in a styrofoam coffee cup: • 5.00 mL of 0.64 M citric acid
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/T (in K) is linear and has a slope of -6542 K. Calculate the activation energy for the reaction.
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