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Solid iron reacts with chlorine gas to produce iron(III) chloride. If 10.0 grams of iron reacts with excess chlorine gas and 18.5 grams of iron(III) chloride is produced, what is the percent yield of the iron(III) chloride?
A 261-mL sample of a sugar solution containing 1.35g of the sugar has an osmotic pressure of 30.1 mmHg at 35.5 degrees celcius.
When Fe(NO3)3 is dissolved in water, hexaaquiron(III) ions, Fe(H2O)6 3+, forms. Fe(H2O)6 3+ ions hydrolyze in aquesous solution accoring to the equation given below
Use a temp-composition diagram to explain why fractional distallation of 2 components is more easily accomplished if the components have boiling points
how many joules of heat are needed to completely vaporize 24.40 g of water at its boiling point?
how much energy in kilojoules is required to change 47.6 g of ice at 0 degrees celcius to liquid water at the same temperature in kilocalories?
If you start with 15.0 of a 0.900 solution of , and then dilute it with water to 270 , what is the concentration of at equilibrium?
Write a mechanism for the base-catalyzed hydrolysis of methyl salicylate. 2.) Devise another route by which methyl salicylate can be converted to acetylsalicylic acid
What is the equivalence volume, Ve, in milliliters? Calculate the concentration of Ca2 at V = 1/2 Ve?
What is the concentration of an unknown water sample if the assumed resistance is 650ohms?
Give the orbital designation (1s, 2p, 3d, etc) of electrons with the following combination of principal and azimuthal quantum numbers.
The chemical nature of an element is independent of A. its atomic number. B. the number of protons or electrons present in it. C. the number of neutrons present in it. D. none of these.
Derive the appropriate expression of the internal pressure piT for the berthelot gas. Should the internal pressure piT of the berthelot gas be greater than equal to or less than zero? Explain your choice(s)
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