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How many moles of Mg3N2 would be produced when 180.0 g of Mg reacts with 85.0 g of N2?
Determine the value of Faraday used If the electrolysis was carried out for eighty minutes with a current of four amperes flowing
The atomic weight of a newly discovered element is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu.
Calculate the average speed of a gas that has a molar mass of 2.08 × 10-2 kg /?mol at a temperature of 22°C. The value for the gas constant, R, is 8.314 J /?mol K.
Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished. what would be the new equilibrium total pressure.
Determine the hydraulic conductivity and transmissivity of the aquifer and What would Q be if the hydraulic gradient
An environmental chemist obtained a 200 mL sample of lake water believed to be cntaminated with a single monoprotic strong acid.
Calculate the molecular weight of the compound? Given that Kf=1.86 and the compound in not ionic.
Find out the formula of the gas produced if Na 3 P(s) sodium phosphide, is reacted with H 2 O
Is heat absorbed or evolved in the course of this reaction? Calculate the amount of heat transferred when 45.0 g of CH3OH (g) is decomposed by this reaction at constant pressure.
In which compound does sulfur have the highest oxidation number a)Na2S2O3 b)NaHS c)H2S d)KHSO3 e) CuSO4
A 5.0×101 sample of water absorbs 355 of heat.If the water was initially at 25.9, what is its final temperature.
Calculate the specific heat capacity of the metal when the final temperature of the mixture =38.7?C.? (Assume that there is no energy lost to the surroundings.)
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