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Combustion of propane in the presence of oxygen yields carbon dioxide and water. The unbalanced equation is:
C3H8 (g) + O2 (g) image from custom entry tool CO2 (g) + H2O (g)
If 1.00 g of propane and 3.00 g of oxygen are reacted in a 1.00 L container at 227°C, determine
a) the limiting reactant.
b)the partial pressures of all gases and the total pressure, at the completion of the reaction.
c)the mass of excess reagent that will remain at the completion of the reaction
10ml of 0.1m hno2 nitrous acid ka4.0x10-4is titrated with a .01m koh solution. after 10ml of the koh solution is added
a 1.0cm3 sample of lead and a 1.0cm3 of glass. I drop each in a separate beaker of water. How do the volumes of water that are displaced by the samples compare?
Calculate the standard enthalpy of formation of gaseous carbon dioxide (CO2) using the following thermochemical information: 2 C(s) + H2(g) C2H2(g) H = +226.8 kJ 2 C2H2(g) + 5 O2(g) 4 CO2(g) + 2 H2O(l) H = -2599.3 kJ 2 H2O(l) 2 H2(g) + O2(g) H = +..
After completing th calculations below, sketch the PH curve for the titration of 30.0 mL of a 0.125M solution of a weak acid, HA(ka=1.3*10^-5) with 0.125 M KOH. indicate the pH at a) the beginning of the titration (o.o mL titrant) after the additi..
The density of the metal is 8.638 g/cm3 and the specific heat of the metal is 0.378 J/g C. If the metal foil absorbs 809.2 J of heat as its temperature changes from 21.20 C to 33.79 C, calculate the thickness of the metal foil in mm.
sodium carbonate is a reagent that may be used to standardize acids and bases in the same way that you have used khp in
Calculate the activation energy for creep for a low carbon-nickel alloy having steady state creep behavior. Using the data under a constant load:
Calculate the number of milligrams of iron in a vitamin tablet when there are 3.9 moles of solute (ferrous fumarate solution)
given that the molar mass of h3po4 is 97.994 grams determine the number of h3po4 needed to prepare 0.25 l of a 0.2m
What mass of NaOH is needed to precipitate the Cd2+ ions from 68.0 mL of 0.500 M Cd(NO3)2 solution?
Potassium permanganate, KMnO4, is a powerful oxidizing agent. The products of a given redox reaction with the permanganate ion depend on the reaction conditions used. In basic solution, the following equation represents the reaction of this ion wi..
What is the molarity of a 50% (by mass) NaOH. How did you find this value? Using this molarity, show that 13ml of 50% by mass NaOH diluted to 2200ml with distilled water yields a solution that is about 0.1M NaOH.
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