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Solution B is made by taking 15.0mL of solution A and diluting it to 100.00 mL. If solution B is found to contain 55.0ppb CU++, 63.546g/mol, what is the concentration of copper in solution A?
the maximum velocity of the ejected electrons is 3.45 multiplied by 105 m/s. Calculate the binding energy of electrons to the magnesium surface.
what if any experimental evidence do you have that the equilibrium is affected by change in temperature. Briefly explain. Are your observation and explanation in (3) consistent with Le Chatelier's principle. Briefly explain.
For an oxidation and reduction reaction, indicate what is oxidized and what is reduced in the following reaction.
Identify which will be warmer if you heat equal masses of gold and iron starting at room temperature with 1 kJ of energy
How many Joules of energy are stored in 1 pound (454 g) of sucrose? (Assume: Pressure = 1 atm, Temperature = 25°C; the respective ?Hf° for the reactants and products can be found in the thermodynamic table linked above. Show your calculation
The mineral bauxite, which is mostly Al2O3, is the principal industrial source of aluminum metal. How much aluminum can be produced from 4.50 ton of Al2O3
The first-order rate constant for the reaction of methyl chloride (CH3Cl) with water to produce methanol (CH3OH) and hydrochloric acid (HCl) is 3.32 10-10s-1 at 25°C.
What would be the concentration of oxygen (in molarity units) if the gas had remained in the solution? C. Based on the above data, what is the rate of the reaction (in units of solution molarity per second)?
The absorbance of a solution of NiCL2 Of unknown concentration is found to be 0.388. What is the concentration of this solution
Determine the mass of solid sodium formate of MW 68.0 must be combined to 150 mL of 0.66 mol/L
Determine the enthalpy of the reaction. Assume that the density and the specific heat of the solution are the same as water. Incude the correct sign.
The atomic masses of Li-6 and Li-7 are 6.0151amu and 7.0160amu respectively. Calculate the natural abundances of these 2 isotopes. The average atomic mass of Li is 6.941amu.
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