Determine the numbers of grams of the zinc sulfide
If 2 liters of a 4 M aqueous solution of zinc nitrate are reacted with an excess of an aqueous solution of sodium sulfide, determine the numbers of grams of the zinc sulfide should precipitate theoretically? Zn(NO3)2 + Na2S = 2NaNO3 + ZnS
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Thylene glycol c2h6o2 IS used in some antifreeze mixtures protection against freezing to as low as -40 degree C is sought. Determine the numbers of quarts of ethylene glycol liquid density 1.11 g/ml should be mixed with each quart of water that ha
At what temperature would the average speed of an O2molecule be equal to this escape speed? The speed that anybody of mass must have to escape from the earth is 1.07*10^4 m/s^-1. Have trouble deciding which mean speed to use?
An ionic solid which is having 25.0 g was dissolved in the 1.00 kg of H2O. The freezing point of the resulting solution was -1.59 ºC. Calculate the ionic solid?
Assume that the reaction for the formation of gaseous hydrogen fluoride from fluorine gas and hydrogen gas has an equilibrium constant which is having the 1.15 * 10 ^2 at a certain temperature.
If 2 liters of a 4 M aqueous solution of zinc nitrate are reacted with an excess of an aqueous solution of sodium sulfide, determine the numbers of grams of the zinc sulfide should precipitate theoretically?
If one hydrogen were replaced by bromine, which benzene compound with molecular formula, C6H6 would yield only one mono substitution product.
What is the population ratio N(J=1)/N(J=0), where J=0 and 1 are the ground and 1st excited rotational levels for HCl at temperature of 278K? Assume a rotation constant B of 10.93cm-1 for Cl-35 isotope.
Calculate the rotational theta temperature for HCl? Calculate the rotational partition function at this temperature by using the classical approximation and rigid rotor model.
Why the temperature would be required to achieve a population of the first excited vibration state of that is 1/2 the population of the ground state?
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