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Problem- A gas is collected over water at 320C. At this temperature, water has a vapor pressure of 36 Torr. If the volume of 3.50 moles of the gas is 1.18 L, what is the total pressure?
Your answer must be supported by illustrations, Please answer with work shown to receive points
Consider a solution that is 0.01M formic acid and 0.2M hydrochloric acid. Determine the pH of this solution.
the gas buret before the hydrogen gas is genterated and is not removed, will the reported percent aluminum in the sample be too high or too low?
A modern chealting agent used for this purpose is succimer (C4H6O4S2). Suppose you are trying to determine the appropriate dose for succimer treatment of lead poisoning.
If the titrant has a molarity of 0.2000 M and there are 50.00 mL of analyte present, what is the molarity of the analyte?
The radioactive decay of Tl-206 to Pb-206 has a half-life of 4.20 min. Starting with 3.70 1022 atoms of Tl-206, calculate the number of such atoms left after 38.0 min.
A 0.850-mole sample of nitrous oxide, a gas utilized as an anesthetic bydentists has a volume of 20.46 L at 123°C and 1.35 atm. Explain what would be its volume at 468°C and 1.35atm
The Born-Haber cycle is a series of steps that represent the formation of an ionic compound from a metal and a nonmetal. For example, the steps in a Born-Haber cycle for the formation of NaCl(s) consist of sublimation of the metal Na atom
in the electrolysis of a sodium chloride solution, what volume of H2 is produced in the same time it takes to produce 257L of Cl2, with both volumes measured at 50 celcius degrees and 2.50atm
Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of Phosphorus-32 , how many grams of P-32 will remain after 98.0 days?
what are the possible sources of error when finding the density of a liquid and of a solid? what can be done to avoid these errors?
If aluminum is diffused into a thick slice of silicon with no previous aluminum in it at a temperature of 1100?C for 8 hours, what is the depth below the surface at which the concentration is 1016 atoms/cm3
A stock solution is prepared by adding 25 mL of 1.5 M NaNO2 to enough water to make 45 mL. How many moles of NO2- are in 35 mL of the stock solution
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