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1. Calculate the standard enthalpy change for the following chemical equation, using the supplied reactions below.
4FeO(s) + O2(g) ? 2Fe2O3(s)
and heat-of-formation data:
Fe + 0.5O2(g) ?FeO ΔH = -269 kJ/mol
2Fe + 1.5O2(g) ?Fe2O3 ΔH = -825 kJ/mol
2. Use the standard enthalpies of formation from the GChem Thermodynamic Data Tables to calculate the standard reaction enthalpy of the following reaction:
SO2 (g) + ½ O2 (g) → SO3 (g)
when separated from a water solution cuso4 forms a hydrate with 5 water molecules per formula unit. if 38 g of
What may happen to a large (i.e., 30-50lb) container of trichloro-s-triazinetrione, or calcium hypochlorite, if it is left to sit in the water and muck remaining in a building after firefighting efforts have ended, but clean-up will not begin for ..
Assume that the kinetic energy of a 1200 kg car moving at 100 km/h could be converted entirely into heat. What amount of water could be heated from 17 °C to 53 °C by the car's energy?
Consider the air pollutants NO and NO2, contributors to photochemical smog. Both can be formed by the reation between atmospheric nitrogen and oxygen. At 25 C
The oxygen atom with its 2s orbital forms a s bond with one of the three sp2 hybrid orbitals of the carbon atom; the two hydrogen atoms with their 1s orbitals each form a s bond with one of the three sp2 hybrid orbitals of the carbon atom.
if a solution of 0.1 m of glucose 6- phosphate is incubated with catalytic amount of phosphoglucomutsa the glucose 1 -
If 4.12g of (NH4)2SO4 (all numbers are subscripts) is dissolved in enough water to form 220mL of solution, what is the molarity of the solution
The uranium-235 radioactive decay series ends with the formation of 207Pb. How many alpha and beta particles are emitted in this series
Now consider a Rigid Rotator-Harmonic oscillator model for the HD molecule at temperature T=3 K. a) Where is each nuclei located relative to the center of mass in nm?
In one hour the average cockroach running at 0.08 km/hr consumed 0.80 mL of O2 at 1 atm pressure and 24°C per gram of insect weight.
What is the partial pressure of argon, in torr, in a container that also contains neon at 147 torr and is at a total pressure of 536 torr?
Calculate the standard molar enthalpy of formation ?H°f of N2H4(g) from the following information: N2(g) + 2H2(g) ? N2H4(l) ?H°rxn = +50.6 kJ N2H4(g) ? N2H4(l) ?H°rxn = -44.8 kJ A. +5.8 kJ/mol B. +95.4 kJ/mol C. +47.7 kJ/mol D. -95.4 kJ/mol E. -5...
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