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A pipet is calibrated to deliver 10.00ml of water. Could you presume that the same volume would be delivered for each reagent below? Explain indicating if the volume would be larger or smaller than water.
a. Concentrated H2SO4
b. Acetone
c. Mercury
Believe density as it related to the amount of solution left in the tip, meniscus shape and evaporation
A certain reaction with an activation energy of 195 K was run at 535K and again at 555 K What is the ratio of f at the higher temperature to f at the lower temperature
Equilibrium between the composition of Hydrogen sulphide in the gaseous and liquid phases can be represented as Yn=48.3Xn.
a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams
The enthalpy of solution of nitrous oxide (N2O) in water is -12 kJ/mol and its solubility at 20 oC and 1.00 atm is 0.121 g per 100. g of water. Calculate the molal solubility of nitrous oxide in water at 0.400 atm and 20 oC. Hint, first find Henry..
Explain A certain gaseous hydrocarbon is found to be 88.8% C and 11.2 % H by mass. If the compound has a density of 2.12g/L at 31 Celcius and 742 torr. Define what is the molecular formula of the compound
The reaction of pure (S)-2-chlorobutane with sodium cyanide in dimethylsulfoxide produces pure (R)-2-cyanobutane. Explain why a racemic mixture is not expected for this reaction if it occurs via an Sn2 mechanism.
A uniformly charged thin ring has radius 14.5cm and total charge 23.0nC . An electron is placed on the ring's axis a distance 30.0cm from the center of the ring and is constrained to stay on the axis of the ring. The electron is then released from..
how many of the following changes wouldalter the numerical value of the equilibrium constant kp for the reaction 2of2g
what would happen to the pressure of a confined gas sample if the volume of that sample was decreased while the
calculate the theoretical yield of when 110g of c2h6 reacts with 207g cl2 of assuming that and react only to form
The pH of a 0.10 M nicotinic acid solution is 2.93. What is the approximate value of Ka for nicotinic acid, HC6H4NO2? Assume small percent dissociation
Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
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