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Lewis structure and structural formula1. Write orbital diagrams for the following elements:26Fe34Se36Kr
2. Draw Lewis structures and structural formulas for the following molecules:H2O CO2 SO23. Label each bond in the molecules in problem #6 polar or nonpolar.
4. Give the shape of each molecule in problem #6 and describe whether each molecule is polar or non polar and tell whether each is soluble or insoluble in water
Give explanation why the boiling point of a 2-component mixture increase slowly throughout a simple distillation while the boiling point differences are not large?
Using the "like dissolves like" rule and the chemical structure of your unknown liquid, explain its solubility/insolubility in water. Describe the type of bonding that your unknown has (covalent, polar covalent)
Many elements can have more than one charge or oxidation number. In this set of problems, we will assign oxidation numbers to each atom in sulfate, carbonate, bicarbonate, bisulfate, sulfite, nitrate, nitrite, chlorate, and perchlorate.
Determining the limiting reactant and mass of the product - which reactant is the limiting reactant? What mass of product may be produced?
What is the importance of chemistry to agriculture, Write summary of total one page and include references as well.
A flask contains 0.350 grams of liquid Br( bromine). calculate the number of (Br)bromine molecules present in the flask
A chemist prepares a solution by dissolving 4.168 g of NaNO3 in enough water to make 200 mL of solution. What molar concentration of sodium nitrate should appear on the label.
The half-life of radon-222 is 3.8 days. How much of a 100 g sample is left after 15.2 days?
Calculate the gas NH3 in ppm over NH4OH solution.The density of the solution is 0.9g/ml and the Commercial concentrated aqueous ammonia is 29%.
Calculate the mass percent of methanol, ethanol, and MTBE, that must be present in gasoline to yield a mixture of 1.8% oxygen by weight.
if the height of the mercury column in a leveling bulb is 30 mm greater than that in the gas buret and atmospheric pressure is 670 mm, what is the pressure on the gas trapped in the buret.
Explain the process of reduction when referring to metals within the earth. It is possible to have glass and asbestos with identical composition, and yet one is considered hazardous and the other is not.
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