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A) Metals lose electrons to form stable ions that are isoelectronic with the previous noble gas. Explain what is the charge on lithium ion?
B) Type the elemental symbol for another element a metal that would be predicted to have the same charge as the lithium ion.
C) While forming monatomic ions, halogens gain electrons to become isoelectronic with the next noble gas. Explain what is the charge on the iodide ion?
D) Define which is the correct formula for nickel (II) nitrate?
What is the coordination number of each sphere in a three-dimensional, close-packed array of equal-sized spheres
for the reaction so2g no2g so3g nog the equilibrium constant is 18.0 at 1200 degrees c. if 0.050 m mole of so2 and
The sulfur and hydrogen in the fuel are completed oxidized to SO2 and H2O. 8% of the carbon is oxidized to CO, and the balance forms CO2. Calculate the dry basis mole fractions of the flue gas
question exactly one milliliter of palmatic-b acid is thrown into a lake. the solution is is undiluted. it spreads out
A researcher studying the nutritional value of a new candy places a 4.20-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.71 °C
A sample containing 0.00200 mol sample of Ca(OH)2 requires 10.00 mL of aqueous HCl for neutralization according to the reaction:
write balanced half-reactions and the overall spontaneous reaction. type your answer using the format nh4 for nh4. use
Several rate constants were measured for a particular reaction at several temperatures. It was found that k = 0.0173 at 923 K, and k = 0.00919 at 773 K. What is the activation energy, Ea , for this reaction?
What is the approximate mass percent of cholesterol in a blood sample having a cholesterol level of 176? Why can you not give a more precise answer
A 50ml aliquot of this sample, treated with pyrophosphate to mask Fe and Cr, required 26.24ml of 0.05831 M EDTA to reach the endpoint. A second 60ml aliquot was treated with hexamethylenetetra to mask the Cr.
calculate the mass of silver chloride required to plate 175 rm mg of pure
Classify the set of solutions based on the movement of solvent from the first solution listed to the second solution listed as osmosis or reverse osmosis.
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