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1.) Define ionization energy. Describe how ionization energy impacts ionic bonding.
2.) The electron configuration of an element is shown below.
1s22s22p63s1
Name the group this element belongs to in the periodic table and explain your answer.
Based on the electron configuration, write one chemical property of this element
Heating MgSO4*7H2O at 150 degree Celsius produces MgSO4*xH2O. If heating 24.4 g of pure MgSO4 *7H20 were to give 13.7g of pure MgSO4*xH20, calculate the value of x.
A solution containing both A and B in a 1-cm cell showed an absorbance of 0.726 at 267 nm and 0.544 at 312 nm. What are the concentrations, mg/L, of A and B
The final temperature of the water is 27.8°C. Calculate the mass of water in the calorimeter. The correct answer should be 6.2x10g
How many moles of O are needed to combine with 0.289 mole of C to form the following compounds, CO and CO2
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the reaction:
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change). What is the concentration of phosphate ions left in solution after the reaction is complete
a 25 ml sample containing cu2 gave an instrumentsignal of 23.6 units corrected for a blank. when exactly 0.5 mlof
Review the hydroboration-oxidation reaction from your Organic I experience. Draw tripropylborane and 1-propanol, and show partial charges to illustrate umpolung
Calculate the percent yield of the t-butyl methyl ether. MW: 93 g/mol 32 g/mol 88 g/mol Denisty: 0.85 g/mL 0.79 g/mL A mixture of 3.0 g of 1,1-diphenylethylene and 100 mg of sulfuric acid was heated for 2 hours.
Depict the structures of all the eight structural isomers that have the molecular formula C5H11Br. Name each isomer according to IUPAC system also classify them as primary, secondary or tertiary bromide
Aldose A undergoess Ruff degredation to give Compound C. When Compound C is treated with NaBH4, optically inactive alditol D is formed.
700 molecules of c14 labeled glucose are given to yeast cells that are producing alcohol. how many 14c atp molecules
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