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Problem- What is the concentration of the exact composition of the rock salt/ water solution used on the roads? Why were we not able to use this composition in our experiment?
How and when does super cooling affect aircraft, and how can it be prevented?
If you were to dissolve 2.0 g of CaCl2 in 50 mL of water, how much would the freezing point be depressed by?
Any expert is able to provide answer for this problem in very short time
Calculate the gas NH3 in ppm over NH4OH solution.The density of the solution is 0.9g/ml and the Commercial concentrated aqueous ammonia is 29%.
Explain the can contains fewer molecules than an identical can of hydrogen gas at the same temperature and pressure for the reason that the hair spray molecules and propellant molecules are larger than hydrogen molecules.
An aqueous solution containing 5.85g of an optically pure compound was diluted to 800.0mL with water and placed in a polarimeter tube 10.0cm long. The measured rotation was -5.93degrees at 25degrees C. Calculate the specific rotation of the compou..
If the chemist mistakenly makes 275 mL of solution instead of the 200 mL, what molar concentration of sodium nitrate will the chemist have actually prepared?
A reagent bottle is labeled 0.388M Na2SO4. assuming no volume change, how many grams of Na2SO4 (MM=142.05g/mol) needs to be added to 1.50L solution to obtain 0.750M solution of Na2SO4?
A 0.5212 g sample of an unknown monoprotic acid was titrated with 9.96 X 10^-2 M NaOH. The equivalence point of the titration occurs at 23.92 mL. Determine the molar mass of the unknown acid.
5 Stars for showing work. A galvanic (voltaic) cell consists of an electrode composed of zinc in a 1.0 M zinc ion solution and another electrode composed of gold in a 1.0 M gold(III) ion solution
The carburizing gas holds the surface composition at 1% carbon for all t > 0. If D=1.4 x 10^-7 cm^2/sec: (a) Calculate the time required at the carburizing temperature
The dream finally became reality when it was shown that mercury-198 can be converted into gold-198 on bombardment by neutrons. A. What small particle is produced in addition to gold-198? B. Write a balanced nuclear equation for the reaction.
A 250 g sample of sucrose C12H22O11(s) was burned in a 21.00 kg iron calorimeter immersed in 1.450 Kg of water. The initial temperature of the system was 24.32 degrees Celsius. Determine the heat of combustion of sucrose under the conditions prese..
a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system, delta S surroundings, delta S universe and delta G.
CaCO3(s) CaO(s) + CO2(g) H°rxn = 175 kJ How will the amount (not concentration) of CaCO3(s) change with the following stresses? CO2(g) is removed. CaO(s) is added. The temperature is increased. The volume of the container is decreased.
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