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A hydrogen atom with an electron in its ground state interacts with a photon of light with a wavelength of 1.22 × 10?6m. Could the electron make a transition from the ground state to a higher energy level? If it does make a transition, indicate which one. If no transition can occur, explain.
What is the molarity of NaCl in Sea water if sea water is 15.0% (m/m) and the density of sea water is 1.18 g/mL
The half-life of cobalt-60 is 5.27 years. How many milligrams of cobalt-60 remain after 52.7 years if you start with 10.0 mg.
The steel bomb of bomb calorimeter, which has a volume of 75 mL, is chaged with oxyen to a pressure of 145 atm at 22 C. Calculate the moles of oxygen in the bomb. Calculate the grams of oxygen in the bomb.
What is the concentration of silver ions (Ag+) in a saturated solution of silver sulfate (Ag2SO4, Ksp = 1.50 X 10-5)
How many grams of water can be cooled from 34°C to 11°C by the evaporation of 85 g of water? (The heat of vaporization of water in this temperature range is 2.4 kJ/g. The specific heat of water is 4.18 J/g-K.)
For the reaction shown below, Kp = 0.116 at 38.6 °C. Find the equilibrium partial pressures of ALL species if at the start of the reaction PCO = 1.17 atm and PCOBr2 = 1.4 atm
Calculate the molarity of a solution of glycerol made by dissolving 66.000 mL glycerol at 15 ^circ {rm C} in enough water to make 400.00 mL of solution.
Copper (II) sulfate dissolve sin water to form a blue solution. What species are present in the solution, ie, what is actually swimming around in the solution? Write the formulas.
How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?
how many moles of N atoms are there in .882 moles of (NH2)2CO?
Write the chemical reactions for the steps typically used to isolate titanium metal from titanium dioxide. What is the oxidation number for titanium in each step of the reaction?
Suppose that an excess of propane, C3H8 burns in 320 g of O2. How many moles of H2O will be formed
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