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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?
Calculating the Equivalent Weight of an Unknown Substance, An unknown organic carboxylic acid, mp = 139-141 degrees Celsius, is burned with a yellow, sooty flame. The sodium fusion test showed that nitrogen was present.
suppose 45.0 g of water at 85 degree celcius is added to 105.0 g of ice at 0 degree celcius. The molar heat of fusion of water is 6.01 kJ mol-1, and the specific heat of water is 4.18 J/g degree celcius.
what is used to measure volumes of liquid accurately? what is used to hold a stem funnel in filtration or a crucible and cover?
Given that Iron(III) oxide or ferric oxide (molar mass = 159.7 g/mol) reacts with Carbon monoxide (molar mass = 28.0 g/mol).
If the cell potential is 0.061 V at 25?, what is the pH of the electrolyte at the hydrogen electrode
consider a stone column 3.00 ft in diameter and 10.00 ft high. What is is mass in pounds if its density is 3.50 g/mL.
if 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?
Combustion reactions are exothermic. The heat of reaction for the combustion of butane, C4H10, is 687.8 kcal/mol. What is the heat of combustion for butane in kcal/gram?
A. glycerol, C3H5(HO)3 is a nonvolitile molecular liquid that is very soluable in water. A solution is made by dissolving 75.0 g of glycerol in 350 g of water. What is the freezing point of the solution
Which entries below should have the highest standard molar entropy? Place them in order of increasing standard molar entropy. ex: a>b>c>d.
what is the frequency of the photons emitted by hydrogen atoms when they undergo transistions from n=5 to n=3
how much heat is absorbed when 63.7g h2o at 100 c and 101.3 kpa is converted to steam at 100 c.
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