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An unknown compound has the following chemical formula: Cr(OH)x where x stands for a whole number. Measurements also show that a certain sample of the unknown compound contains 6.9 mol of oxygen and 2.32 of chromium. Write the complete chemical formula for the unknown compound.
Calculate the equivalent number of moles of potassium permanganate? 3) calculate the clarity of the potassium permanganate solution?
if 4.50g of methane gas is introduced into an evacuated 2.00 L container at 35 celcuis what is the pressure in the container?
rewrite the equation so heat of reaction (delta H) equals deltaHf for 4PCl3 (g) yields p4(s) + 6Cl2 (g) Values for delta HF in Kj/mol are:
Consider the following reaction at equilibrium. What effect will increasing the volume of the reaction mixture have on the system
The heat of vaporization of liquid nitrogen is determined by measuring the change in temperature of a known sample of warm water when liquid nitrogen is added.
An alien rocketship is traveling at a speed of 40 inches per minute. At this speed, how many feet will it travel in 1 second? Round to the nearest thousandth.
what is the reaction mechanism for the formation of isoamyl acetate from the esterification reaction of isoamyl alcohol and ethyl acetate with a sulfuric acid catalyst?
The observed melting point of camphor is often low. Look up the molal freezing point depression constant K for camphor and calculate the expected depression of the melting point of a quantity
The concentration of SO4 is .5 M in a certain solution of Al2(SO4)3. what is the molar concentration of Al in the solution
Mercury (I) cyanide is a severely toxic substance with a Ksp of 3.8x10^-40. If the following solutions are combined, what is the final concentration of cyanide? i. 500. mL of a 0.47 M Hg2(NO3)2 solution; ii. 500. mL of a 0.77 M NaCN solution
1. consider the sn2 reaction of butyl bromide with oh- ion.ch3ch2ch2ch2br oh- ? ch3ch2ch2ch2oh br-assuming no other
What individual atoms or functional groups could you add to the carbons to make the molecule hydrophobic?
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