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For the reaction 4NH3(g)+ 5 O2(g)= 4NO(g)+ 6H2O(l) a.) Use the following standard enthalpies of formation to calculate the enthalpy change. NH3(g)= -46.11 kJ/mol O2(g)= 0 kJ/mol NO(g)= 90.25 kJ/mol H2O(l)= -285.83 kJ
what is the boiling point of a solution containing 2.33 grams of C8H10N4O2 , dissolved in 15 grams of benzene?
Consider a reaction where 27.0 grams of mercuric oxide (a red solid compound) is heated and completely decomposes to give the elements oxygen and mercury. IF 2.0 grams of oxygen is produced by this reaction
The partial pressure of oxygen gas in an atmosphere at STP is approximately 0.2 atm. If I capture 11.2 liters of atmospheric gas at STP in a flask,
Give the number of atoms in the unit cell. Assume the structure consists of identical atoms. face-centered cubic a. one b. two c. four d. eight
What is the wavelength in micrometers of a photon emitted from a Hydrogen electron relaxing from the
Atomic orbitals of carbon relative to methane in a cubic frame of reference.
How many milliliters of 0.5 M NaOH are needed to exactly neutralize 100 milliliters of 1 M HCl?
Propane gas (C3H8) is used as a fuel in rural areas. How many liters of C02are formed at STP by the complete combustion of the propane in a container with a volume of 15.0 L
What effect did the addition of acetanilide have on the melting point of the unknown component. What about the addition of phenacetin
What us the partial pressure (in atm) of carbon dioxide and the partial pressure (in atm) of water vapor? (For the purpose of this question, assume ideal gas behavior.)
using this equation N2(g)+3H2(g)-->2NH3(g) if 10500 L H2 gas is reacted with an excess of N2 gas at 200 atm and 500 degrees how many moles of ammonia gas would be produced, assuming a 15% yield
Draw the structure of the product that results from the reaction of excess hydrogen gas in the presence of a nickel catalyst:
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