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Acetic acid is 4.8% dissociated at 298K as well as 0.0078 M concentration in water. Explain what is the mean activity coefficient of the H3O+ under these conditions?
a 55.0 gram piece of ice at 0.0 c is added to a sample of water at 8.0 c. all of the ice melts and the temperature of
suppose we redefine the standard state as P=2 atm find the new standard state ^Gf values of the following substances: a) HCl b)N2O
Gallium arsenide is a polymeric material, but its mass spectrum shows fragments with formulas GaAs and Ga2As2. What would the distribution of peaks look like for these two fragments?
A NaCl solution contains 20.0% NaCl by mass and has a density of 1.15 g/mL. The molarity of the solution is: (hint: assume 1000. g of this solution)
the product for the following reaction between THF and excess HI, and provided a detailed step-bystep mechanism for its formation, using the curved arrow formalism
At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.
a sample of nitromethane is sealed in a 15.0-l flask with oxygen gas in the stoichiometric ratio indicated in the
What is the mechanism for the trans-esterification reaction of acetylsalicylic acid and methanol into methyl salicylate
An electric power station annually burns 3.3 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
The correct name for FeO is iron(II) oxide is it a poyatomic or binary ion? What is the rule for naming FeO?
Normal fasting levels of blood glucose in human are around 800mg/L. What is the molarity of glucose in the bloodstreem
a sample has a mass of m1g that contains 2 radioactive elements 20 of element one and 80 of element 2 with molar masses
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