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A cube of solid benzene (C6H6) at its melting point and weighing 8.37 g is placed in 19.3 g of water at 38.8 °C. Given that the heat of fusion of benzene is 9.92 kJ/mol, to what temperature will the water have cooled by the time all of the benzene has melted. You can assume that the benzene remains at its melting point.
How much magnesium chloride would you have to purchase to make up 10.0 L of bath water saturated with magnesium chloride
What is the coordination number for each of the following complexes? A. [Co(NH3)4(H2O)2]^3+ B. [Cr(EDTA)]^-
Why do extremely dilute charged particles in an electric field move slower in an aqueous solution that contains other ions at much higher concentration in colution compare to the same particles in the same field in a non-aqueous
What volume in mL of 0.075 M NaOH is required to neutralize the following solutions? A. 200 mL of a 0.0500 M H2C2O4(diprotic acid) solution.
A molecular orbital in a diatomic molecule that has a nodal plane containing the internuclear axis and no nodal plane perpendicular to the internuclear axis is of
Use the values of Ka1 = 0.056 and Ka2 = 5.4 x 10-5 to calculate the [OH-] in a 0.898 M solution of oxalic acid (H2C2O4).
Give two reasons why a 100% yield is not obtained in actual chemical manufacturing processes.
how to break glass bottles where you soak yarn in acetone, tie it around the bottle, light it on fire for 20-30 seconds then submerge it in water and the glass seperates.
write the full chemical equation upon the addition of NaOH to each of the 3 alanine species mentioned. If there's no reaction, indicate there's no reaction and why.
If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein, calculate the kilocalories that each slice of cake contains.
If the Km of carbonic anhydrase for the above reaction is 1.8 mM, what is the catalytic efficiency of this enzyme under these conditions. The units are s-1M-1.
What is the ionization constant of an acid if the hydronium ion concentration of a 0.500 M solution is 1.70 x 10-4 M
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