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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?
determine the solubility of co2 in soda water at 25degc if the pressure of co2 is 5.2 atm. the henrys law constant for
A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth)
Calculate the mass percent composition of carbon in each the following carbon compounds. C4H10 C6H10 C8H13O5N
The solubility of AgCl(s) in water at 25 degrees C is 1.33*10^-5 mol/L and its deltaH0 of solution is 65.7 kJ/mol.
Use the equation pH= pKa + log ([conjugate base]/[acid]) to derive an expression showing the fraction of acid (f) in terms of its pKa and pH of the solution.
Oxygen and 100 moles of carbohydrate C12H22O11 per day are supplied to a continuous flow reactor. The species combust in the reactor. What is the mole fraction of each species in the outlet stream. What assumptions did you make about about the amo..
What is the percent dissociation of HNO2 when 0.056 g of sodium nitrite is added to 115.0 mL of a 0.057 M HNO2 solution? Ka for HNO2 is 4.0 × 10-4.
Choose the selection which correctly identifies the forces which must be overcome to convert NH3 from a liquid to a gas. a) Only London dispersion forces must be overcome. b) Only dipole-dipole forces must be overcome
draw the molecule 1-(4-methoxyphenyl)-2-methylpropan-1-ol. number the carbons on the molecule and identify all the functional groups characterized by the molecules name.
calculate the degrees of unsaturation in a compound with the molecular formula c3h6 and draw two possible structures
Chlorine(Cl2) is used as a germicide to kill microbes in swimming pools. if the product is Cl^-,was the elemental chlorine oxidized or reduced
Which of these reactions are unimolecular and elementary, which are bimolecular and elementary, and which are not elementary?
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