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Draw the Lewis Structure and Model (with your molecular kit) the following molecules and answer the questions accompanying each molecule. Use Figures 10.3 to 10.8 and 11.1 to 11.7 as an aid. SiF? 1. How many VE are there? 2. What is the electron geometry? 3. What is the molecular geometry? 4. What are the hybridized orbitals? 5. Is the molecule polar or non-polar?
If 0.100 mole "recovered amine" had an [a]D=+20.35 degrees, how many moles of (-)- amine and how many moles of (+)-amine would there be in the sample
calculate the final temperature of a mixture of 150.0 g of ice initially at -16.5C and 443.5 g of water initially at 84.0C
an automobile radiator holds 4 gal of a 10 antifreeze-water mixture. the of antifreeze should be raised to twenty five
The sulfide content in a pulp plant effluent is determined with a sulfide ion-slective electrode using the method of standard additions for calibration.
a nitrile (RCN) is converted to what functional group when treated with LiAlH4 followed be an aqeous workup a carboxylic acid is converted to what functional group when treated with LAH followed by an aid workup
What volume of 5.00 x 103 M HNO3 is needed to titrate 100.00 mL of 5.00 x 103 M Ca(OH)2 to the equivalence point
if 0.500 g of antacid was added to 50.00 ml of 0.100 m hcl and 5.65 ml of 0.100 m naoh was required to titrate the
Ionization energy is the energy required to remove an electron from an atom in the gas phase. The ionization energy of tin is 708.0 kJ/mol. Calculate the maximum wavelength of light that will ionize tin.
determine the binding energy of an F-19 nucleus. the F-19 nucleus has a mass of 18.99849325 amu. a proton has a mass of 1.00728 amu and neutron has a mass of
Sulfur is used to crosslink isoprene (C5H8) units in naturally occurring rubber to make vulcanized rubber, which is a harder material. If it takes 4 sulfur atoms to form a crosslink with 1 isoprene unit
given mass of a gas 0.26g pressure is 763mmhg and volume of 147ml.by using an ideal gas law calculate the molar mass of
The elements of group 1 (Li-Cs) are very electropositive because of A. they all have small atomic radii B. they all have high second ionisation energies C
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