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Depict Lewis structures of the four molecules and/or ions with the formulas given below and figure out which two of these are isoelectronic with each another. Species which are isoelectronic have the same number of atoms, the same total number of electrons, the same number of valence electrons, and the same valence electron structure (single and multiple bonds and lone pairs in same places), however need not have the same distribution of formal charges on atoms.
CN- and Cl2 andN2 and OCl-
a) CN-and N2 are isoelectronic.b) N2and Cl2 is isoelectronic.c) OCl-and Cl2 are isoelectronic.d) CN-and OCl- are isoelectronic.e) N2and OCl- is isoelectronic.
calculate the molarity of each of the following solutions: a) .500 mol of sucrose in .200 L of a sucrose solution. b) 30.4g of LiBr in 350 mL of a LiBr solution. c) 73.0 g of HCl in 2.00 L of a HCl solution.
One mole of any gas has a volume of 22.414 L at STP. What are the densities of the following gases in g/L at STP
Two separate containers filled with nitrogen gas, each contain 0.16 moles of gas. Container 1 has a volume of 0.188 L at a temp of 169.2 K. The second container is kept at 247.8 K. What is the volume (in liters) of nitrogen gas in container 2. Con..
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16 , Ph=7.5
gold bars are plated from an aqueous solution of gold chloride (AuCl3) by using a current of 50 Amperes. With this current, how long would it take to plate out a 1 pound bar of gold worth almost $ 25,000? 453.59 grams weigh a pound.
The buffer from Part A is diluted to 1.00 rm L. To half of it (500. rm mL), you add 0.0250 mol of hydrogen ions without changing the volume. What is the rm pH of the final solution?
The following reactions take place in the reactor: 2 C2H6 + O2 ------> 2 C2H5OH 2 C2H5OH + O2 ------> 2 CH3CHO + 2 H2O 2 CH3CHO + O2 ------> 2 CH3COOH The oxygen conversion is 82.0%, and the concentration of the ethanol in the product stream is th..
A sample of sodium reacts completely with 0.568kg of chlorine, forming 936g of sodium chloride. What mass of sodium reacted.
If 7.75 L of radon gas is at 1.55 atm and -19 degrees Celcius, what is the volume at STP
Why was anhydrous, not wet, diethyl either used in the prepeatation and reaction of the Grignard reagent?
what is the experimental value of Avogadro's number. dropper pipet calibration= 68 drops/ml number of drops of oleic acid in the monolayer=16 drops diameter of monolayer = 15.0 cm
What is the heat change of a 25 g block of iron that starts at a temperature of 22 degrees C and increases to 79 degrees C?
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