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When two layers from during a petroleum ether/water extraction. what would be an easy way to tell which layer if which if the density were not available?
Calculate the pH after adding 0, 10.0, 25.0 and 30.0 mL of titrant in the titration of 50.0 mL of 0.100M NaOH with HCl 0.200 M.
whats the lewis dot structure for h2cch2? based on the structure predict the h-to-c-to-h bond angle. explain the reason
Write a mechanism for nitration of benzoate if you could draw this out and be as detailed as possible I would appreciate it
A 343 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
What is the volume of 1.5 mol of nitrogen gas at 0.5 atm of pressure and 58 degrees celsius
A sample of calcium carbonate [CaCO3 (s)] absorbs 45.5 J of heat, upon which the temperature of the sample increases from 21.1C to 28.5C. If the specific heat of calcium carbonate is 0.82 J/g-K, what is the mass (in grams) of the sample
consider the electrolysis of molten barium chloride bacl2. a write the balanced half-reaction that occurs at the
A reaction mixture consists of 0.50 atm nitrogen, 0.75 atm hydrogen and 2.0 atm ammonia. Go for the reaction is -33.32 kJ/mol. Calculate the G at 298 K for the reaction between nitrogen and hydrogen to form ammonia, N2 + 3 H2 --> 2 NH3
Compound Z has a solubility limit of 32.5 g/L in diethyl ether. Compund Z has a solubility limit od 2.5 g/L in water. You are given a 100 mL aqueous solution that contains 200 mL of compund Z. If you do three 33.3 mL extractions of Z using diethyl..
complete and balance the following redox equation. What is the coefficient of H2O when the equation is balanced using the set of smallest whole-number coefficients
A sample of nitrogen gas occupies a volume of 3.87 liters at 52.8 oC and 2.11 atm. What will the new temperature (in °C) when the volume increases to 4.55 liters and the pressure remains constant?
If 17.9 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia.
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