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How much energy in kilojoules is required to convert 100 mL of water at its boiling point from liquid to vapor?
Imidazole is a weak acid, and thus reacts with strong bases to form the corresponding anion. Show this reaction, and draw resonance structures that account for the stability of conjugate base.
A 34.32-g sample of a solid is placed in a flask. Liquid toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 96.44 ml.
95.0mL of rm H_2O is initially at room temperature (22.0rm{} ^{circ}C). A chilled steel rod at 2.0rm ^{circ}C is placed in the water. If the final temperature of the system is 21.4^{circ}C.
An aqueous solution is 36.0 % by mass potassium bromide, KBr, and has a density of 1.33 g/mL. determine the mole fraction of potassium bromide in the solution?
How much energy in joules is required to heat 295 mL of coffee from 25.0 0C to 62.0 0C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 rm J/(gc. K) .
What is the maximum amount of P2O5 that can theoretically be made from 186 g P4 and excess oxygen?
A 32.0-g sample of water at 290. K is mixed with 48.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
What mass of sodium azide is required to provide the nitrogen needed to inflate a 47.0 L bag to a pressure of 1.2 atm at 47 C.
Calculate the molarity, Molarity of iron (III) chloride solution
What is the molecular weigh of acetic acid that will form 2 moles of CO2 assuming complete combustion.
what mass of CH3CO2H is required to prepare 100.00ml of a 0.48M acetic acid solution?
What is the maximum number of orbitals that can be identified by each of the following sets of quantum numbers?
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