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Based on the sign of E°cell, classify these reactions as spontaneous or nonspontaneous as written. Assume standard conditions.Au3+(aq) + 3Ag(s) -----> Au(s) + 3Ag+(aq)
Pb2+(aq) + H2(g) ----> Pb(s) + 2H+(aq)
Ni2+(aq) + S2-(aq) ----> Ni(s) + S(s)
A sulfuric acid solution is 54.0% H2SO4 by mass and has a density of 1.59 g/mL at 20 C. What is the molarity and molality of the H2SO4 solutions
HFC's (hydrofluorocarbons) are replacing CFC's (chlorofluorocarbons) because the C-H and C-F bonds are stronger than C-Cl bonds. If the bond enthalpy of a C-F bond is 482 kJ/mol.
What is the pressure exerted by a mixture of gases in a 50.0 L container at 142°C if the mixture contains 0.100 mol O2, 0.500 mol CH4, and 0.900 mol SO2?
An automobile gasoline tank holds 49kg of gasoline. When the gasoline burns, 172kg of oxygen are consumed and carbon dioxide and water are produced.
A mixture of 6.00 g He and 22.0 g Ne has a pressure of 530. mm Hg. What is the partial pressure of each of the gases?
volatile solute was dissolved in 40.0 grams of CCl4. The boiling point of the CCl4 was raised by .357 Degrees C. Kb for CCl4 is 5.02 C/m find the molar mass of the solute.
How much heat is needed to convert 10.0 g of ice at -25.0ºC to water at 80.0ºC?
This is the given reaction CaC2(s) + 2H2O(l) = C2H2(g) + Ca(OH)2(aq) determine How much H2O is needed If 48 g of CaC2 are consumed in this reaction?
A solution contains 2.0×10-4 M Ag+ and 3.6×10-2 M CO32-. Determine Qsp for Ag2CO3. Will Ag2CO3(s) precipitate? [Ksp for Ag2CO3 is 8.1×10-12]
Number of Moles and Conversion, a) Number of moles of carbon atoms in 0.585 moles C4H10
A compound has a C nmr spectrum with peaks at 7.4, 28.9, 36.4, and 208.8. The H nmr has peaks at 1.05 (t, .6), 2.13 (s, .58), 2.47 (q, .39). What is the compound?
Hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. What's the mass of aluminum required to produce 1.0kg of aluminum chloride if there is excess acid?
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