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1.00 mol HF and 0.500 mol NaOH are both dissolved in water making 1.00L solution. Calculate the pH of the solution?
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3.at this temperature, 0.400 mol of H2 and 0.400 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium
The feed to reactor contains only C 2 H 4 and HBr. if the molar flow rate = 165mol/s, compute the fractional conversion of the limiting reactant?
A compound is found to be 74.03% C, 8.70% H, and 17.27% N. The molar mass of the compound is 162.23 g/mol. Find the empirical formula and the molecular formula of the compound?
You found that pH=pKa=4.2 when 12.50 mL of NaOH hadbeen added. The concentration of the sodium hydroxide was 0.500M. Calculate the initial percent dissociation of the acidsample.
Calculate the heat of enthalpy for the reaction: PCl5(g) → PCl3(g) + Cl2(g)
The yield of the reaction to form your chalcone is not quantitative. What side products might be formed from your aldol condensation?
Determine Qc if the following amounts (in moles) of each component is placed in a 10.00 L container.
For the equilibrium 2H2S(g) 2H2(g)+S2(g) Kc=9.0x10^-8 at 700 degrees C. The initial concentrations of the three gases are 0.550 M H2S, .550 M H2, and .275 M S2. Determine the equilibrium concentrations of the gases.
The absorbance at 595 was 0.75 and according to a BSA standard curve corresponding to 0.025 mg protein on the x-axis. What is the protein concentration (mg/ml) of the original protein?
Consider the reaction 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s). If 12.5 g of iron(III) oxide (rust) are produced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
Calculate the mass percent (m/m) for the solute in each of the following solutions: Express the answer using 2 sig figures.
how many grams of sodium benzoate should be added to prepare the buffer?
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