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What is S for the boiling of C2H5OH? Use the data given below. Assume that enthalpy and entropy values are temperature independent.Ho(l) = -277.7 kJ/molHo(g) = -235.1 kJ/molSo(l) = +160.7 J/molSo(g) = +282.7 J/mol
122 J/mol-K160.7 J/mol-K-122.6 J/mol-K-42.6 J/mol-K349 J/mol-K
If 10.00 mL of 0.050M KI solution is mixed with 40.00 mL of other reagents what would be diluted concentration of KI
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
The solubility of slaked lime, Ca(OH)2, in water is 0.185g/100mL. What volume of 0.00400 M HCl is needed to neutralize 14.5mL of saturated Ca(OH)2 solution
What would be the concentrations of acetic acid and sodium acetate in this solution. Would we expect this solution to be a buffer
Use the angular overlap model to calculate the energies of both ligand and metal orbitals for trans-[Cr(NH3)4Cl2]+ , taking into account that ammonia is a stronger? donor ligand than chloride, but chloride is a stronger ? donor. Use the 1 and 6 po..
Consider the reaction with the rate law, Rate = k[BrO3-][Br-][H+]2 By what factor does the rate change if the concentration of Br- is doubled? Just put in the number as a whole number or fraction.
compound a is c4h9cl and shows two 13c nmr resonances. compound b is an isomer of compound a it shows four 13c nmr
Calculate the heat of a reaction if 12.5 g CaCl is dissolved in 105 g of water and the temperature decreases from 22 degrees C to 15 degrees C. Assume the specific heat of the solution is 4.184 J/g degrees C. Is the reaction endothermic or exother..
A balloon is filled with He gas to a volume of 3.22 L at 32oC. The balloon is placed in liquid nitrogen until its temperature reaches -132oC. Assuming the pressure remains constant, what is the volume of the cooled balloon
Calculate the cell potential for the following reaction as written at 75 °C, given that [Zn2 ] = 0.870 M and [Ni2 ] = 0.0130 M. The standard cell potential for the half reaction of Zn is 0.76 written as Zn (s) --> Zn2+ + 2e-
How many milliliters of 3.4 M NH4Cl must be added to 250 mL of 0.23 M NH3 to obtain a buffer solution having pH=9.40
design a molecule with three chiral centers and draw eight possible stereoisomers of the molecule.
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