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A given mass of gas occupies a volume of 4.00 L at 60°C and 550 mmHg. Which of the following mathematical expressions will yield its temperature at 3.00 L and 775 mmHg?
Explain the steps you would follow to make 500 mL of a 0.5 mol/L solution of sodium chloride (NaCl) in the lab.
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C5H12
what is the diffrence between anatomical theory of diease, humoral concept of diease, and germ diease.
the total average change in KE of gas molecules in the container is equal to the the sum of KE of an 8,0x10^-3 -Kg bullet with speed of 770 m/s. what is the Kelvin temp of the gas?
The solubility product for Pb3(PO4)2 is 1.0 x 10^-54. write out the solubility reaction equation explaining why it is set up that way using the solubility rules or else I will not really understand how to set up the problem.
What is the concentration of the Na and K if we take 1ml from Na (10ppm) and 1ml from K (10ppm) and dissolved them together with dist. water to be 10 ml mixed soln.?
Impure benzoic acid was dissolved in hot water. the container of solution was placed in ice-water bath instead of being allowed to cool slowly.
Imagine that you have a 6.50L gas tank and a 2.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand. The ilmenite can be separated from the sand with magnets. The titanium can then be extracted from the ilmenite by the following set of reactions
Manometers can use liquids other than mercury to measure small pressure differences. On a day when the barometric pressure is 764.3 torr, a water manometer, connected between the atmosphere and a glass bulb
Calculate the number of moles of NaHCO3 that reacted in each beaker. (The molar ratio between evolved CO2 and the bicarbonate is 1:1.
Calculate the pH at the halfway point and at the equivalence point for each of the following titrations. (a) 100.0 mL of 0.42 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.42 M NaOH halfway point equivalence point
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