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1. Consider the reaction
CH4(g) + H2O(g)3H2(g) + CO(g)
Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.32 moles of CH4(g)react at standard conditions.
S°surroundings = -------- J/K
2. Consider the reaction:
2H2O2(l)2H2O(l) + O2(g)
Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.45 moles of H2O2(l) react at standard conditions.
S°surroundings = ------------ J/K
Nicotine in cigar smoke (pH is much more readily absorped through the mucous membranes of the mouth than is nicotine in cigarette smoke pH
Explain what is the wavelength of a photon of electromagnetic radiation having a photon energy of 4.56 x 10 (-19 exponent) J
Calculate the quantity of energy produced per mole of -235 (atomic mass = 235.043922 ) for the neutron-induced fission of -235 to produce -137 (atomic mass = 136.9253 ) and -97 (atomic mass = 96.910950 ). E= J/mol U235
The Kf for the formation of Ag(NH3)2+(aq) is 1.7 x 10^7. Write the equilibrium equation that represents the formation of this complex ion.
Humans unaccustomed to high altitudes tend to breathe much more rapidly (at least initially) because the partial pressure of O2(g) in air is much lower compared with that at low altitudes
When this solid sulfur is burned in the presence of oxygen, the noxious, toxic gas sulfur dioxide results. If there is 0.50 g of sulfur and 1.50 g oxygen in each tank of gasoline, cellular the volume of sulfur dioxide gas that will be expelled int..
Can you name me 2-3 scientific problems in chemistry and their continuous mathematical models
At 7914 oC the equilibrium constant for the reaction: 2 NO(g) N2(g) + O2(g) is KP = 0.726. If the initial pressure of NO is 0.00366 atm, what are the equilibrium partial pressures of NO, N2, and O2? p(NO) = . p(N2) = . p(O2) = .
a technician for the ethanol-in-octane fuel company was testing a mixture of ethanol and octane as a synthetic fuel.
air is about 78.0 nitrogen moleculesand 21.0 oxygen molecules. several other gases make up there maining 1 of air
what is reduced and what is oxidized in this chemical equation: Zn+2HCl yields ZnCl2+H2
If 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia?
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