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The volume of a sample of gas measured at 25C and 1.00 atm pressure is 10.0 L. What must the final temperature be in order for the gas to have a volume of 7.5 L at 1.00 atm pressure?
when 0.060 mol of propionic acid c2h5co2h is dissolved in 500 ml of water the equilibrium concentration of h3o ions is
Initially the stopcocks are closed. One of the flasks contains 2.0 of , the second 3.7 of , and the third, 0.10 of ethanol. The vapor pressure of at 308 is 42 and that of ethanol is 102 . The stopcocks are then opened and the contents mix freely.
What is the final volume of the balloon? Assume ideal-gas behavior. A very flexible balloon with a volume of 1.2 L at 1.0 atm at 300 K is allowed to rise to the stratosphere
a 1.00 g sample of d2o and h2o are reacted with cl2 and hcl and dcl are produced. then they are diluted with h2o giving
Briefly discuss the importance of the principles of solubility and miscibility when choosing extraction solvents
What is the reciprocal of the linear dispersion. Could the two emission lines of hydrogen, 656.28 nm and 656.10 nm be resolved to the base line with a slit width of 0.010mm. Note that the blaze angle is given in wavelength. Using the balze angle f..
To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. A chemical engineer places a mixture of noble gases consisting
In preparation of esters given in an experiment, the reaction product was extracted with 5% sodium bicarbonate solution (NaHCO3) in the isolation step. How? What gas was evolved during this washing step?
A sample of an ionic compound that is often used as a dough conditioner is analyzed and found to contain 7.591 g of potassium, 15.514 g of bromine, and 9.319 g of oxygen. What is the empirical formula for this compound? What is its chemical name?
A sample of nitrogen gas at 298 K and 0.980 atm has a volume of 37.42 L. What volume will it occupy if the pressure is increased to 1.176 atm at constant temperature
1.nbspnbspprovide proper iupac names.2.nbspnbspdraw structure of strongest acid in the table provided.3.nbspnbspgive
Calculate the molar solubility of barium sulfate a) in water, and b), in a solution containing 0.60 M of sodium sulfate.
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