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substance A has a smaller heat of vaporization than substance B. Which will undergo a larger change in vapor pressure for a given temperature?
Select each side of the mass balance equation for an Fe3(PO4)2 solution where the existing species are Fe2 , PO43-, HPO42-, H2PO4-, H3PO4, FeOH?
If the flask has a volume of 0.150 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium?
A graduated cylinder contains 25.0 of water. What is the new water level after 34.2 of silver metal with a density of 10.5 is submerged in the water.
Aluminum will react with bromine to form aluminum bromide (Al2Br6). How many moles of Al are needed to form 28.0 mol of Al2Br6?
Calculate how many mL of 0.100 M NaOH are needed to neutralize completely 26.0 mL of 0.0300 M acetic acid. 2) Calculate how many mL of 0.100 M NaOH are needed to neutralize completely 36.0 mL of 0.0400 M H2SO4 (forming Na2SO4 and water)
How do you calculate how mangy grams of a solid to dissolve in water to make a solution given the milliliters and the molarity? Such as given 100 mL of .1000 M Sr(NO3)2.
list all degenerated orbitals (with quantam number n, l, and m) of hydrogen atoms under principle quantum number 4.
Draw and describe the mechanism of reaction (using arrows for electron pushing), is it SN1, SN2, E1 or E2? Does the acetaminophen have to deprotonate to the phenolate before reacting?
Calculate the volume of 6.0 M sulfuric acid H2SO4 solution required to neutralize the excess potassium hydroxide, KOH, solution from the first step of the synthesis. Indicate clearly your calculations and reasoning.
Draw the product formed from the reaction of benzoyl chloride with the following reagent: excess benzylamine
How long would a current of 100.0 amp need to be passed through a AlF3 electrolysis cell to produce 40.0 g of aluminum metal?
A 90.0 g piece of hot iron is placed in a calorimeter containing 125 mL water at 19.8 degrees celcius. If the final temperature of both the water and the iron is 24.6 degrees celcius, what is the initial temperature of the hot iron?
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