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Define the standard enthalpy of formation of Al3 + (aq) is -538.4kJ/mol. Explain how much heat is evolved when .1377g of Al(s) reacts with excess hydrochloric acid?
The value of Kc for this reaction is 5.0 at 600K. What are the equilibrium and partial pressures of the three gases if a reaction vessel initially contains a mixture of reactants in which Pco =Pcl2 = .215 atm and Pcocl2=0.000 atm
A particle rotates on the surface of a sphere. The angular momentum of the particle can be considered as a vector starting at the center of the sphere and pointing outward.
The lid is tightly sealed on an empty 2.0L soda bottle at 25.0 degrees Celsius and 732 mm Hg. If the bottle is heated to 100.0 degrees Celsius, what is the pressure in the bottle?
how many grams of lithium hydroxide are required to completely react 10.8 moles of selenous acid. write the
Colbalt monoxide CoO, the blue color in ceramics glazes, is prepared by decomposing cobalt (II,III) oxide at 950degree celsius.
Compute the volume of the tank if the total pressure of the mixture is 44.08 psi at 86°F. What is the partial pressure of each constituent and the average molecular weight of the mixture
what volume of ammonia gas, measured at 660.3 mmhg and 58.2c, is required to produce 6.46 g of ammonium sulfate according to the following balanced chemical equation
Explain which element is the central atom, define how many bonds does the central atom form, is it polar or non-polar, define what the direction of negativity is
On the right, it is single bonded to the C which is single bonded to each H. The other form I have is the mirror immage of this one. What is the last form
Metals Covalently Bonded to Benzene, Specifically interested to know why you don't see metals bonded to benzene with a covalent sigma bond. I am not interested in metal benzene complexes.
a sample of 2 g of nitrogen can be combined with 2.285714 g of oxygen to form nitric oxide gas no. what mass of oxygen
Calculate the mass in grams of hydrogen chloride produced when 5.6 L of molecular hydrogen measured at STP react with an excess of molecular chlorine gas
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