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How much energy is needed to convert 64.0 grams of ice at 0.00 degrees C to water at 75.0 degrees C?
What is the rate constant of a first-order reaction that takes 5.80 minutes for the reactant concentration to drop to half of its initial value
Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name
aluminum sulfate solution with water to a final volume of 1.450 L. Calculate the number of moles of aluminum sulfate before dilution.
How much energy in kJ must be absorbed to heat up a volume of ocean water 2 m high by 20 km wide by 30 km deep by 3°C.
The reaction of combustion of ethanol is this: C2H5OH(g) +3O2(g) ---> 2CO2(g) + 3H2O (g) Los regalitos son ( g ) Lis 4 tienen(g ) A) calculate delta H of the reaction in kj/mol
What volume (to the nearest 0.1 mL) of 6.00-M NaOH must be added to 0.650 L of 0.350-M HNO2 to prepare a pH = 3.30 buffer
an ideal gas with temperature independent Cp = (7/2)R at 15 degrees C and having initial volume 60 m^3 is heated at constant pressure (P =0.1013 MPa) to 30 degrees by transfer of heat from a resivoir at 50 degrees C.
The hydrolysis of ethyl acetate (CH3COOC2H5) by sodium hydroxide yields ethanol (C2H5OH) and sodium acetate (NaO2CCH3) by the reaction shown
what is the concentration of solute particles or ions in moll present in 1 l of the following aqueous solutions? assume
Conductivities are often measured by comparing the resistance of a cell filled with the sample to its resistance when filled with some standard solution, such as aqueous potassium chloride. The conductivity of water is 76 mS m^?1 at 25°C
what is the specific heat for the metal if it takes 48.0j to raise the temperature of an 8.60g piece of unknown metal
in a strongly acidic solution the amino acid lysine esists as the dication. as the pH is raised, what monocation is formed by the loss of a proton form the dication?
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