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Using the following data, calculate the standard enthalpy of reaction for the coal gasification process 2C(s) + 2H2O(g) --> CH4(g) + CO2(g).
C(s) + H2O(g) --> CO(g) + H2(g); ?H° = +131.3 kJCO(g) + H2O(g) --> CO2(g) + H2(g); ?H° = -41.2 kJCO(g) + 3H2(g) --> CH4(g) + H2O(g); ?H° = -206.1 kJ
Estimate the free energy change (?Grxn) for the following reaction at 298 K, if each gaseous substance is present at p = 0.30 atm. 2H2(g) + O2(g) ? 2H2O(l)
Drawa a fat (oil) molecule representing corn oil. The fatty side chains that you need to include are two of the esters group derived from oleic acid and one from the linoleic acid
The united states FDA requires that any product called vinegar contains at least 4% by weight of acetic acid. assuming that the density of vinegar is the same as water
If 69.5 kJ of heat is applied to a 1040. g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
discuss how the shielding by core electrons is analogous to putting a frosted-glass lampshade between the lightbulb and your eyes.
When 2.8>g of NaOH were dissolved in 53.8>g of water in a calorimeter at 24.4oC, the temperature of the solution went up to 38.6oC. Find the value of delta H for one mole of NaOH.
Suppose that 180 g of ethanol at 26 ? C is mixed with 225 g of ethanol at 83 ? C at constant atmospheric pressure in a thermally insulated vessel.
Determine What is the difference in energy between the ground and excited state if the absorption spectrum of rhodopsin is centered at roughly 500. nm.? what is the probability of rhodopsin populating the first excited state At a physiological tem..
A fellow student is having trouble understanding polar covalent bonds, non-polar covalent bonds, and ionic bonds. Describe how you would help your the fellow student
Calculate the volume of carbon dioxide formed at a pressure of 2.50 atm and a temperature of 1250C.
The solubility of O2 (g) in water is 4.43mg O2/100 g H2O (20ºC and 1 atm). What is the molarity (M) of this saturated solution?
What is the total electronic energy
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