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given below are some standard heats of reactions- a. heat of formation of water = - 68.3 kcals b. heat of combustion of acetylene = - 310 .6 kcals c .heat of combustion of ethylene = - 337.2 kcals calculate the heat of reaction for the hydrogenation of acetylene at constant volume at 25 oc
The energy for the process (H)+(energy) yields (H+)-(e-) is called the ionization energy of hydrogen. The experimentally determined value for the ionization energy of hydrogen is 1310 kJ/mol. How does this compare to your calculation
The remaining white solid in the filter paper has ammonia water poured through it. This dissolves all of the precipitate in the filter paper. The new filtrate is treated with HCl, giving a white precipitate. What metal ion or ions are in the solut..
Write the mass-balance expression for a soluntion
A solution is 0.0100 M in Pb2+ ions. If 0.103 mol of solid Na2SO4 is added to 1.00L of this solution (with negligible volume change), what percent of the Pb2+ ions remain in solution.
You have 135.8 mL of a 2.50, solution of Na2Cr04 (aq). You also have 125 mL of a 2.50 M solution of AgNO3. Calculate the concentration of Na+ after the two solutions are mixed together.
Teperature(K) Pressure(Torr) 65 130.5 70 289.5 75 570.8 80 1028 85 1718 1. Use the data to determine the heat of vaporization of nitrogen. 2.Determine the normal boiling point of nitrogen
Write the KSp expressions for each hydroxide Calculate the solubility for each compound in aqueous solutions, arrange them from the smallest to the largest.
A sample of propane, a component of LP gas, has a volume of 35.3 L at 315 K and 922 torr. What is its volume at STP (R = 0.08206 L • atm/K • mol, 1 atm = 760 torr)
Formic acid, HFor, has a Ka value equal to about 1.8 * 10^(-4). A student is asked to prepare a buffer having a pH of 3.60 from a 0.10 M HFor and a 0.10M NaFor solution. How many milliliters of the NaFor solution should she add to 20 ml of the 0.1..
Identify the element or elements that undergo
Draw the skeletal structure of the product if the following alcohol were treated with HF in pyridine. Atoms other than carbon and hydrogen are labeled
Esters may be saponified by the reaction with a strong base this is how soap is made. forecast the products of the following reaction.
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