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THe energy of a photon is 4.54 10-19 J. What is the wavelength of the corresponding light?
Calculate delta E, delta S, delta G, Q and W for the melting of 1.00 mole of ice to for liquid water at 0 degree celcius and 1.00 atm pressure. The standard molar enthalpy of fusion of ice is 6.01 kJ/mol. The desities of ice and liquid water at 0 ..
Calcein indicator is added to the solution. The sample then requires 10.00 mL of 0.0120 M EDTA for titration. Calculate for this sample (a) the molarity of the calcium present, (b), the molarity of the magnesium present, and (c) the total hardness..
Which will experience the greater effective nuclear charge, the electrons in the n=3 shell in Ar or the n=3 shell in Kr? Which will be closer to the nucleus?
total reaction solution volume of 100 ml and use 1M HCl acid and 1M sodium Hydoxide. how do you accont for their different delta t and q neutralization?
The electron sea is localized between two metal atoms at a time. 4. The metal is held together by the attraction between the metal ion cores and the sea of valence electrons
the cathode if you charge a lead storage battery for 1.85 h with a constant current of 13.4 A?
A student reacts 0.3000 grams of a sulfate-containing unknown with excess barium chloride. If 0.6500 grams of barium sulfate is produced, what is the percentage sulfate in the unknown?
What must the heat rating of the heater, in kJ/min, to accomplish this? Ignore the heat that goes to the heat cup itself. The density of water is 0.997 g/ml.
Determine why would the P have been higher or lower if the H 2 O had been at pH 5?
what will the freezing points be of the resulting solution? kf(H2O)=1.86 C/m
The constant pressure molar heat capacities of ice and water are 37.7 J/ mol K and 75.3 J/ mol K respectively. The molar enthalpy of fusion of ice is 6.01 kJ/ mol at 0.00° C. The system consists of a 105 gram sample of H2O, initially in the form o..
Which of the following is a neutralization reaction?
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