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A gold alloy has a density of 12.4g/ml and contains 75%gold by mass. calculate the volume of this alloy that can be made from 255 g of pure gold.
What is the volume in the beaker with the aqueous solution NaCl of when equilibrium is attained, assuming ideal behavior? Part C: What is the volume in the beaker with the aqueous solution of a nonvolatile nonelectrolyte when equilibrium is attain..
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
The solubility product of PbBr2 is 8.9 10-6. Determine the molar solubility in the following. (a) pure water
blood alcohol content of an individuals is 0.15. if we suppose the individual drank all of the alcohol at the total
For the titration of 25.0 mL of 0.20 M hydrofluoric acid with 0.20 M sodium hydroxide, determine the volume of base added when pH is 3.15
calculate the energy in joules and calories. required to heat 5.25g of water, from 55 C to 64.8 C
The probability of filling a 3p orbital relative to the 3s orbital is 3/1. Assuming that the total Mg+ population in a given atomization source is 3.5 x 10^18 ions at any given time, what would be the number of ions that are in the excited 3p stat..
In the laboratory you dissolve 15.4 g of zinc acetate in a volumetric flask and add water to a total volume of 500 mL.
Draw structural formulas for the alkoxide ion and the alkyl(aryl)bromide that may be used in a Williamson synthesis of the ether shown. ch3-0-chch3 with a ch3 off of the second carbon from the right Draw both structures in the single sketchpad.
To determine the concentration of a solution of lactic acid a chemist titrates a 20.50 mL sample of it with 0.1010 M NaOH and finds that 10.76 mL of titrant are required to reach the equivalence point. What is the concentration of the lactic acid ..
Calculate the ionic strength of a solution that is 0.08 M in La(NO3)3 and 0.06 M in Fe(NO3)2.
At a certain temperature and pressure 2.1 L of H2 reacts with 2.1 L of I2. If all the H2 and I2 are consumed, what volume of HI, at the same temperature and pressure, will be produced?
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