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Why is the reaction of the dissolving ammonium nitrate (NH4NO3) in water spontaneous even though the dissolution is endothermic?
a vapor pressure of water decreases upon addition of the soluteb osmotic properties predict this behaviorc because of the decrease in enthalpy upon addition of the soluted because of the increase in enthalpy upon dissolution of this strong electrolytee because of the increase in disorder upon dissolution of this strong electrolyte
The barium salt was found to have two mole of water of hydration per Ba ion and the acid is mono basic. What is molecular weight of anhydrous acid.
What is the ppm concentration? The molar extinction coefficienet is 87,000 M^-1cm^-1 and the molecular weight is 407.98 g/mol. The density of water is 1.00 g/mL.
You respond to a 2AM liquefied compressed gas transportation accident which is leaking from a 5lb (2.3kg) steel cylinder. Chemical commodity on shipping paper is 5 lb RQ, compressed gas, flammable, toxic, n.o.s. (poison - inhalation hazard, zone B..
An ionic compound forms when aluminum (Z = 13) reacts with iodine (Z = 53). If a sample of the compound contains 1.23 x 1019 aluminum ions.
Recent research on the solubility of Greenockite, a thermodynamically stable form of cadmium sulfide (CdS), reveals that mildly acidic solutions with sulfide concentrations between 10-4 and 10-3 M can effectively minimize the solubility of CdS
Calculate the concentration of chloride ions when 100.0 mL of 0.205 M sodium chloride is mixed with 250.0 mL of 0.150 M calcium chloride.
Is the dissolving of calcium hydroxide in water an endothermic or exothermic process?
A 9m^3 room contains a canister of CO2 with a faulty valve. At a level of 75 mole % CO2, breathing the air becomes lethal. The room temperature is 25 degrees Celcius.
What are the correct oxidation states for the following compounds? P in H3PO4, Mn in Mn(O4)2- anion, and O in O2F2
What are the missing coefficients for the skeleton equation below?
If a mixture of gases contained 78% nitrogen at a pressure of and 22% carbon dioxide at 345 torr, what is the total pressure of the system?
Draw the major E2 reaction product formed when trans-1-chloro-2-ethylcyclohexane reacts with hydroxide ion in DMSO
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