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1. Describe all the symmetry planes in chloromethane
2. Draw a figure and arrows showing any axes of symmetry in chloromethane. Also state how many fold.
3. Describe all the symmetry planes in methylene chloride
4. Draw a figure and arrows to show any symmetry exes in methylene chloride. Also state how many fold.
5. Of what significance, with regard to the geometry of the four bonds of tetravalent carbon, is the fact that one and only one substance is know which has the formula, CH2Cl2?
What was the percentage by mass of Mg(OH)2 in the original sample? [Hint: When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride salt, water and CO2(g). Assume that all of the CO2(g) leaves the solution without reacting.]
Given a relative reactivity of 5.0:3.5:1.0 (tertiary:secondary:primary) hydrogens,calculate the expected percentage of each of the three reaction products expected in the chlorination of n-pentane?
A 49 gram sample of impure potassium nitrate (KNO3) was heated to complete decomposition according to the equation 2 KNO3(s) → 2 KNO2(s) + O2(g) After the reaction was complete.
Predicting nuclear stability is important when determining whether or not a nuclear reaction can take place spontaneously.
Would it be a good idea for a person to take a couple of aspirin tablets before attending a cocktail party? Explain your reasoning. This needs to be from a chemistry stand point.
What mass of sodium chloride, NaCl, is needed to make 389. g of a 3.89%(m/m) NaCl solution? (atomic masses: Na = 22.99, Cl = 35.45)
Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries.
since nitroaniline is considered a bronsted base and benzoic acid is considered a bronsted acid, why don't these two compounds react with one another?
at 350 degrees celcius and 200 atm the % yield is 50%. Calculate how many grams of N gas are required to produce 25.000g Ammonia
A given reaction has an equilibrium constant at 920 K of 2.73 x 1011. What is DGo at this temperature in kJ
When sodium carbonate dissolves in water, the carbonate ion CO3^2- acts as a base. write a balanced equation for the reaction of the carbonate ion with water.
you have a 100 mL graduated cylinder containing 50 mL of water. You drop a 175 g piece of brass(density 8.56g/cm^3) into the water. To what height does the water rise in the cylinder?
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