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1. The temperature of 3.0L of an ideal gas is raise from -50C to 100C at constant pressure. Explain what is the final volume of the gas2. Explain what is the pH of a 0.02molL-1 solution of sulfuric acid? Presume complete dissociation
Predict the electronic configurations of (a) the benzen anion, (b) the benzene cation. Estimate the pi-electron binding energy in each case within the Huckel Approximation.
NH3 and NH4+ are used to create a buffer solution. When a base is introduced into this buffer, which of NH3 and NH4+ reacts with the base to maintain the pH of the solution
Create a procedure you can use to prepare a series of solutions to determine the molar absorptivity of a food dye
Assuming that equal numbers of moles of each were released into the air at ground level, rank these four compounds in terms of their potential to catalytically destroy ozone in the stratosphere. Explain
If a sample of the dibrominated product was placed in a polarimeter, what would be the result
Copper has a specific heat of 0.092 cal/(g·°C). When 52.7 cal of heat is added to a piece of copper, the temperature increases from 22.4°C to 38.6°C. What is the mass of the piece of copper
A 275mL sample of O2 is collected over water at 60 degrees C the total pressure 755 torr what is the volume of O2 at STP?
What is the concentration of chlorine ( in mg/L) of household bleach that contains 5.25% by weight of CL2. Assume the density of water = 1,000 kg/m^3.
Determine the number of moles of O2 produced by the decomposition of 213 g of NaClO3.
Explain when equilibrium is reached, the concentration of H2 has decreased to 0.046 mol/L. what is the equilibrium constant, Kc, for the reaction
A 12 m 11 m 3.0 m basement had a high radon content. On the day the basement was sealed off from its surroundings so that no exchange of air could take place.
Proper procedure for the preparation and standardization of ~300 mL of ~1 M NaOH solution against potassium hydrogen phthalate i.e., this is an acid/base titration, It is desirable for the acid and base
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