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Categorize each of the following as either ionic, covalent, or metallic bonding. 1. Molecular formula= 2. electron sharing= 3. alloy= 4. nonmetal with nonmetal = 5. electron pooling= 6. three-dimensional array= 7.metal with metal 8. electron transfer= 9.seperate molecules= 10. empirical formula= 11. metal with nonmetal= 12. electron-sea model.=
1.0 M acid and two pt electrodes connected to a voltmeter. You then add 10.00 ml of 1.00 M Fe^+2 solution to the beaker. The temperature of the solution is maintained at 25 C.(R= 8.314 coulomb V/(mol K), F= 9.64853 x 10^4 coulomb/mol)
What is the molarity of a solution that contains 464.3 grams of phosphoric acid, H3PO4, in 3.2 L of solution
Which element formed, according to the theory of the Big bang, before the first generation of galaxies formed
Dinitrogen tetroxide (N2O4) dissociates via the reaction: N2O4 (g) ? 2NO2 (g). 3.00 × 10-2 mol N2O4 (g) is introduced into a 1.000L flask. At equilibrium, 2.36 × 10-2 mol N2O4 (g) remains. What is the equilibrium constant for this reaction?
What are the concentrations of HSO4-, SO42-, and H+ in a 0.255 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 10-2.)
A 27.0 mL solution of 0.100 M CH3COOH is titrated with a 0.200 M KOH solution. Calculate the pH after the following additions of the KOH solution. a.) 0.00 mL b.) 5.00 mL
If 150 ml of Al(OH)3 of unknown concentration with a methyl red indicator present is titrated with [0.535 M] HCl, the yellow solution turns red after 32.8 ml of the HCl is added. What is the molarity of the Al(OH)3 solution
calculate the energy, in joules and calories, lost when 75.0 g of water cools from 86.4 degrees celsius to 2.1 degrees celsius
portion of that solution is diluted by adding 167 mL of water. What is the final concentration? Assume the volumes are additive.
What mass of ethanol is present in the vapor? (the vapor pressure of ethanol is 10.0 torr at -2.3 degrees C and 40.0 torr at 19 degrees
suppose that a 5.0X10^-5 M solution of Ba(OH)2 is prepared. What is the pH of the solution?
How do you rank compounds in order of increasing/decreasing phosphoryl group transfer potential. How do you tell which one has the highest potential
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