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To what volume should you dilute 53.0mL of a 4.00 M KI solution so that 20.5mL of the diluted solution contains 2.70g of KI?
Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 8.8L to 4.3L at a constant external pressure of 46 atm
A certain reaction has an Eact of 62.3 kj/mol (14.9 kcal/mol) and a frequency factor of 7.15X10^8LXmil-1Xsec-1. use the arrhenius equation to calculate the rate constant for this reaction at 35 degrees c
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 62.60 g of ZnCl2 in 429.0 g of water at 328.0 K. The vapor pressure of pure water at 328.0 K is 118.0 torr.
considering this given equation ch4 g 3 cl2 g- chcl3 g 3 hcl g determine how many grams of methane is required to
what would be the effect on your calculated mass percent recovery of Cu if you used all of your NaOH solution in Part II and the litmus paper never turned blue
Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4 species that are isoelectronic with Ne.
How many grams of silica were in a 6.00 grams sample, if it took 34.1 mL of 0.95 M HCl to react with all of calcium carbonate
Hydride reduction of aldehydes and ketones is a A) one-step reaction involving the H- ion. B) one-step reaction involving the H+ ion. C) two-step reaction involving the H- and H+ ion.
how many grams of sodium sulfide are formed if 1.60 of hydrogen sulfide is bubbled into a solution containing 2.13 of
How much heat in is evolved or absorbed in the reaction of 2.28 grams of sodium ( Na) with water( H 2 O), express your answer in kilocalories?
Solutions with greatest long-wavelength UVA absorption: Name of strongest UVA absorbing ingredient
a 25 mL sample of .150 M hypochlorous acid is titrated with a .15 M NaOH solution. What is the pH after 26 mL of base is added? The Ka of hypochlorous acid is 3.0x10^8
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