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An unknown solid mixture containing benzoic acid,copper(II)sulfate and sand. She added 15mL.of acetone to her sample. Which component of the mixture dissolved in the acetone?
Compare the stabilities of an allylic anion and a homoallylic anion, each with the formula C6H11-. An allylic anion has the negative charge on an atom adjacent to the double bond.
A gas bottle contains .65 mol of gas at 730 Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle?
you are making a buffer. you add 57.89g of sodium methanoate to 500.0 ml of water. The molecular mass of sodium methanoate is 68.01 g/mol. The Ka of methanoic acid is 1.8*10^-4. find the pH of the buffer.
discharged into a small stream saturated with oxygen from the air at 25 celcius. How many liters of this water could be contaminated to the extent of removing all the dissolved oxygen by biodegradation?
2 NO(g) +Cl2->2NOCL(g) the observed rate law is Rate= K(NO)^2(Cl2). What is the reaction order with respect to nitrohen monoxide with respect to Cl2? Wht id the overall order
A tank is being filled through a valve by an ideal gas where the following applies: H=30*T(K) in J/mol for gas, R=8.314 in J/mol/K, H=40 T(K) for the liquid in J/mol (gas as liquid, different reference point than gas)
A student carried out several different determinations of the density of the metal ruthenium. The students results were as follows
Sodium ethoxide, NaOCH2CH3, contains both covalent and ionic bonds,
Calculate the energy in joules required to ionize a hydrogen atom when its electron is initially in the n=2 energy level
What is the volume of a balloon that contains 34 moles of calcium bicarbonate?
In the following procedure, we are performing an extraction with ethyl acetate. What compounds are we separating from our product? Procedure
Find the normal boiling point of a saturated solution of LiF at 100C, assuming it undergoes complete dissociation. The solubility of LiF is 230 mg/100 g of water at 100C
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