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When you follow the manufacturer's specifications, 1.0 galon of a latex, gloss enamel paint covers 350 square feet of a sealed surface. What is the average thickness in millimeters of a coat of this paint?
A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2 x10-5).
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule. a. 3-pentanol b. 2-methyl-2-butanol c. 1-butano..
(a) When 1.50 mol of Al and 3.00 mol of Cl2 combine in reaction 2 Al(s) + 3 Cl2(g) -----> 2 AlCl3(s), which is the limiting reactant. (b) How many moles of AlCl3 are formed. (c) How many moles of the excess reactant remain at the end of the reacti..
An aqueous solution contains the amino acid glycine. Assuming that the acid does not ionize in water, calculate the molality of the solution if it freezes at -1.1 degree centigrade.
A solution is prepared my mixing 40 mL of pentane (C5H12, d = 0.63 g/mL) with 100 mL of hexane (C6H14, d = 0.66 g/mL). Assuming the volumes add upon mixing, Calculate-
Calculate the [H3O+] of a solution that has an [OH-] of 0.000 0060M. Is the solution acidic, basic, or neutral? (show answer in two decimal points).
Use data in appendix C to calculate delta H, delta S, and delta G at 25 degrees C for each of the following reactions. In each case, show that delta G = delta H - T delta S.
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron
a reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
A saturated Na2CO3 solution is prepared, and a small excess of solid is present (white pile in beaker). A seed cdrystal of Na2 14CO3 (14C is a radioactive isotope of 12C) is added (small red piece), and the radioactivity is measured over time
The carbon dioxide will be generated by reacting solid sodium bicarbonate (NaHCO3) with a solution of acetic acid (CH3COOH) as follows: NaHCO3(s) + CH3COOH(aq) ? H2CO3(aq) + CH3COO-(aq) + Na+(aq)
What relationship exists between H+ ion concentration and OH- ion concentration? What is the OH- concentration in an aqueous solution where the H+
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