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To what volume should you dilute 132ml of an 8.00M CuCl2 solution so that 52.0ml of the diluted solution contains 4.33g CuCl2?
232.5 ml of 0.0384 M aqueous manganese(III) oxide solution reacts with 1.058 g of solid octahedral sulfur (S8) and the water to give sulfurous acid and a manganese(II) oxide precipitate. You may assume no volume changes in the reaction from soluti..
In a calorimetry experiment, it was determined that a 92.0 gram piece of copper metal released 1860 J of heat to the surrounding water in the calorimeter (qcopper = ?1860 J).
A very crude model of the buckminsterfullerene molecule (C60) is to treat it as a collection of electrons in a cube with sides of length equal to the mean diameter of the molecule (0.7nm)
The formula of a complex formed by a reaction such as M + nX = MXn can be determined by the method of continuous variations. The absorbances of a series of solutions of varying composition are measured at the wavelength at which the complex shows ..
In this experiment we reduced methylene blue with ascorbic acid using HCl as a catalyst. Given that the half reaction for the reduction of methylene blue is MB+(ox) +2H +2e ----->MBH2(red) (potential = 100 mV)
Two propagation steps are given below. (a) Draw the intermediate compound in the Step 2 box. (Keep Br2.) (b) Draw the appropriate curved arrows - in the Step 1 and 2 boxes - to show the mechanism of each step. See the Hint for formatting procedure..
The activation energy for a particular reaction is 64 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 80 oC
A perfect sphere of aluminum metal with a diameter of 4.56x10^-2 m reacts with 3.80L of 5.25M hydrochloric acid. the products are an aluminum chloride solution and hydrogen gas.
Calculate the amount of PV work done. c2h4(g)+h2(g)-->c2h6(g) Express your answer using two significant figures. The addition of H2 to C=C double bonds is an important reaction used in the preparation of margarine from vegetable oils.
The boiling point of an aqueous solution is 101.31 °C. What is the freezing point. Constants can be found here.
what volume of methane, measured at STP, must be burned? (ΔH°combustion for CH4 = -891 kJ/mol)
Determine the angle for the first-order diffraction of xrays with lambda=362 pm, reflected from planes in mica (a silicate mineral) separated by 997 pm
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