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1) Explain the difference in polarity between CO2 and SO2 based on their molecular shapes.
2) Describe the similarities between H3O+ and NH3. Compare/contrast their shapes and polarities within the context of your answer. These molecules are called isoelectronic. Why?
3) What information about a molecule can you gain from the Lewis-dot structure? Is it possible to determine molecular geometry based upon a Lewis structure? Explain your response.
4) What is the difference between electron geometry and molecular geometry? How can knowing both assist in determining whether a molecule is polar or nonpolar?
how much energy (MJ) can be obtained from incineration and how much CO2 (kg/year) may be released in that year? 2) How much of that energy (MJ) can be actually converted into electric power if the conversion efficiency is 23%?
Calculate the molar concentration of uncomplexed Zn2+ in a solution that contains 0.20 mole of Zn(NH3)42+ per liter and 0.0116 M NH3 at equilibrium.
How many grams of CaCl2 would be required to produce a 3.5 M (molar) solution with a volume of 2.0 L.
Pure colored substances mostly exhibit a single peak (i.e. max) in the visible; therefore the simple rules of complementary colors apply. Mixtures are a little more complicated.
The equilibrium constant, Kp, is 7.8 x 1014 (Hint, this is a very large number, what does that imply?) Calculate the molar concentration of HF at equilibrium.
KOH(aq)+ CoCl2(aq) --> KCl + Co(OH) what are the states of matter for the products?
What is the initial sulfur dioxide concentration (in mol/L or M)?
Which of the following molecules is polar?
Give the product expected from the reaction of cis-1,2-diacetylcyclohexane with aniline. Suggest a reason for the unsuitability of 2,4-dinitroaniline as a replacement
For the first-order reaction 2N2O5 ---> 2N2O4 + O2, the activation energy is 106kJ/mol. How many times faster will the reaction go at 100 degrees C than at 25 degrees C?
At a particular temperature, K 3.75 for the reaction SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial concentrations of 0.800 M
The temperature of 55.6 grams of a material decreases by 14.8 degrees C when it loses 3080 J of heat. What is its specific heat?
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