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What is the Molarity of a solution prepared by diluting 55mL of .65 M hydrochloric acid solution to a final volume of 155mL by adding water?
Compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of 100°C in a thin flask in an ambient laboratory temperature of twenty five degree celsius.
A compound with empirical formula C 2 H 2 N dissolved its 0.0800 gram in 10.00 g of C 6 H 6 , freezing point of resulting solution= 4.99 degree celsius
A boy receives 10mg of medicine for every kg he weighs. How much medicine should he receive if he weighs 48 pounds and the conversion factor for pounds to kilograms is 1 pound = 0.4536kg.
When a sample of 5.00-g rams of Potassium thiocyanate is dissolved in H2O in a calorimeter that has a total heat capacity =6.225 kJ•K-1, the temperature decreases by 0.200 Kelvin. compute the molar heat of solution of Potassium thiocyanate.
what is the mass, in kilograms, of Avogadro's number of olympic shot put balls if each one has a mass of 16lb? How does this compare with the mass of Earth, 5.98x10^25 kg.
For the concentration of hydroxyl radical of 7.5E06 molecules/cm3 and a carbon monoxide concentration of 18 ppm, calculate the rate of its reaction with atmospheric carbon monoxide at 11 degrees C.
A sample of neon is collected at 2.7atm and 12.0C.It has a volume of 2.25L. what would be the volume of this gas at STP.
Determine how do you find out the new freezing point of a solution if given the formula is Delta T = m x kf x i but how do you find it how does it work?
Compute the pressure (in atmospheres) Using the van der Waals equation, exerted by water(H2O) of 23.93 grams at 36.11 degree celsius in a 1.00 Litre container.
Suppose a piece of silver jewlery contains 5.00 * 10^22 of silver. how many dozens of silver atoms are in the piece of jewlery.
Determine the acid content of the vinegar as wt % CH3COOH, acetic acid
You use a properly calibrated explosimeter to measure the flammable hazard inside a tank that contained toluene and may still have some residual product a. inside.
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