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A 250 gram sample of water at the boiling point had 45.0 kJ of heat added. How many grams of water were vaporized? Heat of vaporization for water is 40.6 kJ/mole
Lead poisoning in children used to be treated with intravenous injections of EDTA. If the concentration of EDTA in the blood of the patient is 2.60x10^-8 M and the formation constant for the complex
react with an excess of H3PO4, how many grams of water and how many grams of Ca3(PO4)2 will have on the products side? Also, what type of reaction is it?
Methyl orange is made by diazotizing the sodium salt of sulfanilic acid (p-aminobenzenesulfonic acid) followed by coupling with N,N-dimethyl aniline. Write equations for these reactions,giving the structure of methyl orange.
Determine What is the difference in energy between the ground and excited state if the absorption spectrum of rhodopsin is centered at roughly 500. nm.? what is the probability of rhodopsin populating the first excited state At a physiological tem..
What is the number of moles of an ideal gas, if the volume is 67 mL, the pressure is 716 mmHg and the temperature is 34 0C?
draw correlation diagram the HOMO of allyl anion and the LUMO of ethylene and comment on the symmetry match of the two.
A spoon was silver plated electrolytically in a Silver nitrate solution. If 0.750 grams of silver was deposited on the spoon at a constant current of twenty mili amperes, determine how long in hours did the electrolysis take?
The steam is comes out of the feed water at 200 C. The water at a flow rate of 500 kg/h enters the feed water heater at 20C. Calculate the feed water exit temperature.
Use the letter from the reagent table for inorganic reagents and write the IUPAC substitutive name for the bromoalkane.
Could you separate it from benzoic acid using extraction procedures? If so, please detail and explain how this can be done.
Calculate ?H, q and w when 1.00 mol of helium at 5.00L and a temperature of 298.15K is expanded and heated simultaneously
What is the value of the rate constant for the reaction? How much time will take the consentration to drop to one tenth of its initial value?
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