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An important reaction in the formation of photochemical smog is the photodissociation of NO2: NO2 + hv >>> NO(g) + O(g) The maximum wavelength of light that can cause this reaction is 420 nm. a) In what part of the electromagnetic spectrum is light with this wavelength found? b) What is the maximum strength of a bond, in kJ/mol, that can be broken by absorption of a photon of 420-nm light? c) Write out the photodissociation reaction showing Lewis-dot structures.
Calculate approximately the value for the heat of sublimation of methane and calculate the pH for this solution
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 Celcius. The concentration of Cu2+ in one of the half cells is 1.5 * 10-3 M. what is the concentration of Cu2+ in the other half cell?
Buffering Action of Proteins, We did this experiment in class but I want to see if the results seem reasonable and, if so, why they were not more varied.
calculate the heat energy released when 15.1g of liquid mercury at 25 degrees C is converted to solid mercury at its melting point
What is the Molarity of Phosphoric acid stock used to make 750 ml of dilute 4 N soludtion if 52 ml of concentrated solution was use
Determine How many grams of NaOCl are in the solution if the percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%.?
If 5.02 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
How many grams of sodium lactate must be added to a 1.00L solution of .400M lactic acid to make a buffer with a pH of 3.7??
Consider the equation A(aq) + 2B(aq) -> 3C(aq) + 2D(aq). In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0 mL 0.100 M B. At equilibrium the concentration of C is 0.0410 M. Calculate K.
If a buffer solution is 0.260M in a weak base (Kb=5.6x10^-5) and 0.550M in its conjugate acid, what is the pH.
What is the concentration of a solution of lithium carbonate containing 0.01 mol in 750 mL of solution? Give your answer to two significant figures and include the units as mol L-1 ie 0.36 mol L-1
What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.
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