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Methane and hydrogen sulfide form when hydrogen reacts with carbon disulfide. Identify the excess reagant and calucate how much remains after 36 L of H2 reacts with 12 L of CS2.4H2 + CS2 --> CH4 + 2H2S
What is the maximum number of moles of NH4V3O8 that can be prepared starting from 2.5 moles each of N2 and H2. Assume all other reactants are not limiting reagents.
Acetylene burns in air according to the following equation. C2H2(g) + 5/2 O2(g) 2 CO2(g) + H2O(g) H0rxn = -1255.8 kJ Given that H0f of CO2(g) = -393.5 kJ/mol and H0f of H2O(g) = -241.8 kJ/mol, what is H0f of C2H2(g)
what is the Na+ ion concentration in the solution by mixing 20 mL of .10 M Na2SO4 solution with 50 mL of .30 M Na3PO4?
1.0678g of a standard iron(ii) ammonium sulfate, (NH4)2Fe(SO4)2. 6H202 requires 35.50mL of permanganate solution for titration. calculate the molary of the permanganate solution.
calculate the partial pressue of nitrogen? What is the initial pressue of nitrogen?
If you desire to obtain the value of R directly in J/mol*K, what must be the units of pressure and volume in the equation
Calculate the molarity of the 25.0 mL sample of 0.100 acetic acid which was diluted with 25.00 mL H2O
The atomic mass in g mol of Fe=55.85, S=32.07 O=16, calculate the number of moles of the negative ions present in 7.45g of iron (III) sulfate.
A student is given chloroacetic acid as an unknown weak acid. Calculate the number of milliliters of 0.100 M NaOH required to reach the equivalence point in titration of 0.4840 grams of this acid
The diatomic molecule OH exists in the gas phase. The length and bond energy have been measured to be 97.06pm and 424.7 kJ/mol, respectively.
Find vapor pressure and density of liquid water at room temperature; state your source. Calculate the new vapor pressure of water at the same temperature when 740 torr of dry
The drying oven, although thought (and assumed) to be set at 125 degrees C, had an insie temperature of 84 degrees C. How will this error affect the reported percent by mass of the limiting reactant in the salt mixture
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