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A sample of 12.4 g NH3on oxidation produces 6.7 g of NO. Calculate the percent yield. Reaction: 4 NH3+ 5 O2→ 4 NO + 6 H2O
What is the decay constant for iodine-131? It decays by beta emission with a half-life of 8.04 days.
In fermentation of glucose, 780 mL of CO2 gas was produced at 37 degrees C and 1.00 atm. What is the volume(L) of the gas when measured at 22 degrees C and 675 mmHg?
The enthalpy change for any reaction can be obtained by subtracting the sum of the enthalpy changes of formation of the reactants from the sum of the enthalpy changes of formation of the products.
Determine which species is present in the lowest concentration in 0.10 M H3A solution?
The addition of 5.00 g of a compound to 250 g of naphthalene lowered the freezing point of the solvent by 0.780 K. Compute the molar mass of the compound.
What characteristic absorption bands would you expect to find the infared spectrum of caffeine
Presume a reaction occurs in which 38mL of O2 (g) is created in a vessel at a temperature of 28C as well as pressure of 740 mm Hg. Explain how many moles of O2 were created
Describe how you would prepare the buffer solution using one of the weak bases listed in the Table below and any other necessary reagents.
what is the volume of co2 that can be removed using a 2.6 kg sodium peroxide cartilage? evaluate at stp. temp 0 degrees C and 1atm pressure.
Give the structure of the dinitrophenylhydrazone derivative
Calculate pCO2+ at each of the following points in the titration of 25.00 mL of 0.02022 M CO2+ by 0.03855 M EDTA at pH 6.00.
For the reaction 2A+B=3C the value of Kc=10.2 at 25 degrees C. A 1L vessel contained a mixture of 0.50 mol of A, 1.20 mol B and 4.00 mol C at the same temperature. Is the mixture in a state of equilibrium. If not predict the direction of reaction
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