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What is the theoretical yield for this reaction under the given conditions:1.49 g H2 is allowed to react with 10.3 g N2 , producing 2.36 g NH3?
The disappearance of X is monitored at timed intervals. Assume that temperature and volume are kept constant. The data obtained are shown in the table below.
consider a stone column 3.00 ft in diameter and 10.00 ft high. What is is mass in pounds if its density is 3.50 g/mL.
Draw four structures corresponding to dihedral angles of 0, 60, 120 and 180 degrees. Clearly indicate the best and worst in this set.
The greater volume per mole at the higher temperature indicates greater average intermolecular distances and hence weaker intermolecular forces.
One mole of water vapor is expanded reversibly from 5 L to 15 L at a temperature of 800 K. Calculate q, w, Delta E for this process assuming that water behaves as a van der Waals gas, making use of the formal relation:
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell?
when 15.0g of steam drops in temperture from 275.0C to 250.0C how much heat is released csteam=2.01j/gC
Propose a structure for the compound with the following formula that is consistent with the IR and 1H NMR data shown:
a certain substance has a molar enthalpy of vaporization of 31.6 kj mol. How much of the substance is in a sample that requires 57.0kJ to vaporize?
a 70g piece of ice at 0c is added to a sample of water at 8c, all of the ice melts and the temp of the water decreases to 0c, how many grams of water were in the sample?
The volume of potassium permanganate required to titrate 10 mL of the new hydrogen peroxide (mL):20mL (c) Calculate the concentration of H2O2 from the volume of KMnO4 used and the stoichiometry of the reaction (MW of H2O2 is 34.01).
Air is a mixture of N2,O2,Ar,Co2,Ne,He,CH4,lessor amounts of the other gases and possibly substantial amount of H2O in vapor form.
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