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When 5.00 g of sodium hydroxide (NaOH) was dissolved in 150.00 g of water a value of 10.50oC was obtained for ΔT.
Consider the subsequent cell: Pt|H2(g, 1.880 atm)|H (aq, M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.0500 V at 25 °C and the standard reduction potential o
Explain when pentane, C.5H.12, burns in oxygen, it produces carbon dioxide as well as water. If 85.5g of pentane is completely burned, what volume of carbon dioxide is produ
The pKa of hydrochloric acid is about -6. On the basis of this information, would aqueous sodium chloride be adequately basic to deprotonate benzoic acid. Explain your reaso
Propose ways with appropriate equations that would enable you to measure the D H ° f values of Ag 2 O( s ) and CaCl 2 ( s ) from their elements. No calculations are necessar
The lowest energy absorption line in favor of the other dye is light in the visible region at 645 nm. Based on this evidence, explain which molecule has the higher HOMO-LUMO
Explain what are the advantages and disadvantages of writing a chemical equation with chemical symbols and formulas instead of just words. In detail summarize the steps need
A buffer was prepared by mixing a solution that is 0.285 M in HA and 0.385 in A-. The pH of this buffer was 4.435. Then to 405mL of this buffer solution was added to 21.5mL
The pKb values for the dibasic base B are pKb1 = 2.10 and pKb2 = 7.48. Compute the pH at each of the following points in the titration of 50.0mL of a 0.80 M B(aq) with 0.80
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