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Draw Lewis structures for each of the following species. Use expanded octets as necessary.
Draw the molecule by placing atoms on the grid and connecting them with bonds. To change the symbol of an atom, double-click on the atom and enter the letter of the new atom. Include all lone pairs of electrons. Show the formal charges of all nonhydrogen atoms in the correct structure.
A) AsF6-
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
B) Cl3PO
C) IF5
Assign an oxidation number to each atom in the following compound: K2CrO4 , H2SO3, FE(OH), Fe O H
Calculate the molar amounts of NaOH used in the reaction with the HCI solution and with the HC2H3O2 solution?
Calculate the number of moles of oxygen gas produced from the completely catalyzed decomposition of 6.20 mL sample of a 3.5% solution of H2O2.
Problem- A sample of carbon dioxide is contained in a 125.0 mL flask at 0.917 atm and 18.8 C. How many molecules of gas are in the sample
Explain what is the equation for the reaction between hydrochloric acid as well as sodium hydroxide when conduction an acid-based titration of a 300ml solution of 1.2g sodium hydroxide of about 0.1 mol *L-1 with 300ml water and 0.1000N hydrochlori..
Problem- Tell whether the intensity of the red color of the solution would increase or decrease for each of these changes: (a) addition of more Fe3+ ion, (b) addition of more SCN- ion
Explain how different types of definitions are based upon intension and extension in logic? (Use examples)
In the lower troposphere, ozone is one of the components of photochemical smog. It is generated in air when nitrogen dioxide, formed by the oxidation of nitrogen monoxide from car exhaust, reacts by the following mechanism.
Which solution should be the most acidic? 1) Zn(NO3)2(aq) 2) Cd(NO3)2(aq) 3) Ga(NO3)3 (aq) 4) Hg(NO3)2(aq) 5) Al(NO3)3(aq)
(a) how many protein molecules do you find in the average eukaryotic cell and prokaryotic cell? (b). What is the ratio of protein found within a human heart compared to the prokaryotic cells inhabiting human intestines?
the koala bear dines exclusively on eucalyptus leaves. its digestive system detoxifies the eucalyptus oil a poison
A sample of an unknown gas effuses in 10.9 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.35 min. What is the molar mass of the unknown gas
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