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Aluminum is one of the most versatile metals. It is formed by the Hall-Heroult process in which molten cryolite, Na3AlF6, is utilized as a solvent for the aluminum ore. Cryolite undergoes extremely slight decomposition with heat to produce a tiny amount of F2, which escapes into the atmosphere above the solvent. Kc is 2 10-104 at 1300 K for the reaction. Na3AlF6(l) 3 Na(l) + Al(l) + 3 F2(g) Define what is the concentration of F2 over a bath of molten cryolite at this temperature? 8 1017 M 3 10-35 M 6 10-74 M 8 10-312 M 5 10102 M
phosphenolpryuvate how many moles of ATP can be derived just from reduced electron carriers (not substrate-level phosporylation?
in the titration of 100.0 ml of 0.100 m methylamine ch3nh2 kb 3.7 10-4 with 0.250 m hcl calculate the ph under the
Calculate the pH of each of the following solutions ( Ka and Kb values are given in Appendix D in the textbook). 0.115 M hydrogen chromate ion (HCrO4^-).
how would you know a strong acid from a weak acid without looking at some data? for example hbr hi hci are all stong
The ionization constant of chloro acetic acid is 1.35*10-3. Explain what will be pH of 0.1M acetic acid and its 0.1M sodium salt solution
Given the reactants and products, write balanced net ionic equations fr the following reactions.
Calculate the lower heating value of the Brookeville Seam coal with the analysis given below with 10, 20, 30, 40, and 50% moisture contents . Comment on the percentage of the heat loss based on the gross or high heating value of the fuel in using ..
A container holds 355mL of a mixture of nitrogen with carbon dioxide gases. The container is found to have a tiny leak. Assume which gas is escaping faster
State the meaning of alpha and beta with regard to steroid structure, and indicate whether the hydroxyl group on ring A and the alkyl group on ring D are alpha or beta
While the subsequent equation is balanced utilizing the smallest possible integers, explain what is the exponent of Al in the reaction quotient expression
On the basis general trend of electron affinity one would predict that oxygen would have a more sympathetic electron affinity than sulfur. It turns out conversely sulfur has a more favorable affinity than oxygen.
Explain if 30.0mL of 0.150 M CaCl2 is added to 15.0mL of 0.100 M AgNO3, Explain what is the mass in grams of AgCl precipitate
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