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To measure the amount of chloride ion that is in a water sample, an excess amount of silver nitrate is added to a 25.0 mL sample. If 5.195 mg of silver chloride is collected, what is the concentration of chloride in that sample in parts per million?
methanolch3oh burns in air to produce carbon dioxide and liquidwater. calculate the heat released in kilojoules per
the rate constant for the elementary reaction is 7.1 109m2middots at 25degc.2 nog o2gnbsprarr 2 no2gwhat is the rate
Agas company in Massachusetts charges $1.30 for 15.0 cubic ft of natural gas. (a) Convert this rate to dollarsper liter of gas. (b) It takes 0.304 cubic ft of gas to boil aliter of water, starting at room temperature
how many moles of oxygen are produced when 4.5 moles of potassium chlorate decompose completely
What is the dissociation constant, Kd, of a ligand with a percent occupancy (or fractional saturation) of 20% when
1. Consider a process involving 1 mole of an ideal gas that takes place by the following pathway, at a constant temperature of 25oC: P1 = 2.5 atm → P2 = 0.25 atm → P3 = 2.5 atm Both steps occur irreversibly.
what is the main difference between, 2s or 3s or 4s orbitals, or 2p, 3p or 4p. is it just that they are bigger
A hypersaline solution with a molality of 4.53m has a salt content so high that the mass of the solution per 1000 grams of water is 1265g. calculate the molarity
Above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 9.99? The Ksp of Fe(OH)2
a balloon is floating around outside your window. the temperature outside is 15 degrees celsius and the air pressure is
the electron affinity of each group 5a elements is more positive than that of each corresponding group 4a element. use
Calculate the concentration of NO3- ion remaining in solution.
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