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a) Find the of % Nickel in the coin solution: molority of Nickel is .8469 density of coin solution as 1.00g/mL
b) Find the of % Copper in the coin solution density is .3288 is the molority of copper and the density is 1.0)
Carbon Monoxide at a pressure of 720 mmhg reacts completely with O2 at a pressure of 360 mmhg in a sealed vessel to produce
a volume of water was delivered using a buret and experimentally determined to have a mass of 2.00-g. what was the
To 1.00 L of a 0.100 M aqueous solution of benzoic acid (C6H5COOH) is added 1.00 mL of 12.0 M HCl. What is the percentage ionization of the benzoic acid in the resulting solution? [Ka(C6H5COOH) = 6.5 × 10-5]
Calculate the number of 222Rn isotopes (t1/2 = 3.8 d) at the beginning and end of 25 days. Assume STP conditions.
You forgot to label your layers after extractio, describe a fast method for determinng which layer is your organice phase
The vapor pressure of water at 26 degrees C is 25.209 mmHg. How many moles of gas were collected?
The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron
the reactant concentration in a zero-order reaction was 7.00times10-2 m after 155 s and 1.50times10-2 m after 370 s.
Give the structural formulas for all of the different alkenes that can be hydrogenated with h2/pt to produce n propyl cyclohexane
The reaction previously done was just having trans-cinnamic acid reacted with Br2 forming all the isomers with the double bond being broken and Br put into place.
There are two sources of oxaloacetate for entry into gluconeogenesis. how could you experimentally determine the relative contribution of each of these sources to the overall flux oxaloacetate through gluconeogenesis? Draw out your experiment.
Calculate the mass of Cu(NO3)2·3H2O needed to prepare 50.0mL of a 0.50 M Cu(II) solution?
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