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Calcium carbonate reacts with hydrochloric acid to make calcium chloride and water and carbon dioxide. How many ml of carbon dioxide at 18 degrees Celsius and 715 mm Hg can be generated from 87 grams of calcium carbonate?
The oxygen atom (with its 2s orbital) forms a s bond with one of the three sp2 hybrid orbitals of the carbon atom; the two hydrogen atoms (with their 1s orbitals) each form a s bond with one of the three sp2 hybrid orbitals of the carbon atom.
A sample of gas with a volume of 750 mL exerts a pressure of 98 kPa at 30 ?C.What pressure will the sample exert when it is compressed to 250 mL and cooled to -25 ?C?
calculate the partial pressure in atmospheres of each gas assuming that the total pressure of the gases is 1.34atmrm
solute that is non-volatile electrolyte wtih a molar mass of 100g/mol has an osmotic pressure of 12atm at 298K. The density of the solution is 1.20 g/cm3 what is the boiling point of this solution? Kb=0.52 C/m
The explosive nitroglycerin decomposes rapidly upon ignition or sudden impact according to the following balanced equation: 4C3H5N3O9 (l) --> 12 CO2 (g) + 10H2O (g) + 6N2 (g) + O2 (g)
what is the purpose of the trail titration. describe the endpoint of the a titration. how will you know when you have reached it. explain why the walls of the flask are washed with distilled water during the titration.
Hydrogen reacts in a fuel cell to produce water and electricity according to the reaction below. What is the maximum amount of electricity you might derive from 7.50 g of hydrogen
What is the molar mass of this substance, express your answer in g/mol and determine the moloar concentraitions Cr 2 O 7 ^2 and of K + ?
Derive parameters of the critical point for the Dieterici equation of state: p(V - b) = RTe^(-a/RTV). A sample of nitrogen of mass 3.12 g at 23 C is allowed to expand reversibly and adiabatically
Based on Liquid Chromatography, how can I changed if the capacity value and selectivity value and resolution value is not in the proper range?
A 2.914-g sample gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 C in a crucible until a constant mass is reached.
What is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of V2O5 with 40.0 g of calcium based on the following chemical reaction?
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