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You melted a copper cylinder of volume 10.0 cm3 to fabricate a thin long wire of diameter 0.02 mm. What is the length of your wire in meters?
certain first-order reaction () has a rate constant of 1.00×10-2 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
a stock solution of perchloric acid is 70.5 by mass hclo4 and 29.5 by mass water. the density of the solution is 1.67
What type of reaction mechanism will this reaction undergo with the 3,4-dimetyl-3-hexanol substrate (SN1, SN2, E1, or E2)? and show the products of the reaction
Calculate the molarity and the molality of an NH solution made up of 28.0 g of NH in 70.0 g of water. The density of the solution is 0.982 g.
A sample of 35 millimole of Krypton gas expands reversibly and isothermally at 373K from 5.25 cubic centimeters to 6.29 cubic centimeters. The internal energy, U, increases by 41.75 J.
A quantity of 18.68 ml of a KOH solution is needed to neutralize 0.4218g of a KHP what is the concentration of the KOH solution
How many mL of 0.250 M NaOH are needed to completely saponify 240. g of of glyceryl trioleate (triolein)?
A copper wire (density = 8.96 g/cm3) has a diameter of 0.41 mm. If a sample of this copper wire has a mass of 12 g, how long is the wire?
what is the boiling point of the solution in which you are going to cook spaghetti if it contains 58.0 g of nacl
What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the following conditions?
1.what is the molar enthalpy of neutralization for 50.0ml of 1.0moll naohaq that react with excess 1.0moll
5.00 ml of a water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. Write an equation for the reaction and calculate the hardness of the water in ppm
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