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The developing chamber is not covered with plastic wrap during the development of the chromatogram. Will the Dion value for the cation be greater than or less than the actual value as a result of this technique error? Explain
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 15.0 L
Rate constant at a temperature of 37.8 Celsius is precisely three times that at 25 Celsius. Determine the activation energy in kJ/mol
Is the wave behavior of light adequate to explain all phenomena? Give three examples of cases
Calculate the molar solubility of Cu(OH)2, Ksp = 2.2 × 10-20, in 0.82 M NH3. Don't forget to use the complexation reaction Cu2+ + 4 NH3 ? Cu(NH3)42+, K = 5.0 × 1013.
how much energy is required to vaporize 48.7 g of CH2Cl2 at its boiling point if its Hvap = 31.6 kg/mol
Calculate the [Zn2+] in a solution of ZnC2O4 held at a pH of 3.00. Remember C2O4^2- is a weak base so you must consider other equilibria. (Ksp(ZnC2O4)=7.5X10^-9, Kb1=1.8X10^-10, Kb2=1.8X10^-13).
Why does the quantum mechanical description of many electron atoms make it difficult to define a precise atom radius
when a gold nugget with a mass of 521 g is added to 50.0 ml of water the water level rises to 77 ml what is the density of gold
What is the pressure in millimeters of mercury of 0.0110 mol of helium gas with a volume of 208 mL at a temperature of 35 degrees C?
consider the following data showing the initial rate of a reaction a------gt products at several different
When isobutylene (CH3 - C=CH2) is treated with acid, two products result: 2, 4, 4-trimethyl-2-pentene and 2,4,4-trimethyl-1-pentene
Calculate the wavelenght and frequencey of light emitted when an electron changes from n=4 to n=3 in the H Atom. In what region of the spectrum is radiation found
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