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1. For the following molecule, draw the correct Lewis structure. In the blanks, indicate the molecular geometry around the central atom, the hybridization around the central atom, and approximate bond angles (180°, 120°, 109.5°).
2. Arrange the following in order of decreasing acidity (strongest 1st)
CH3CH2OH CHF2CH2CO2H CH3CH2CO2H CH2FCH2CO2H CH3CF2CO2H
A B C D E
3. Arrange the following in order of decreasing basicity (strongest 1st)
CH3S- CH3CH2- CH3O- Br- CH3NH-
In a calorimeter of capacity =0, you mix 50g of water at 80°C with 100g of water at 10°C. What is the final temperature
Explain why is it necessary to add an acid catalyst such as HCl or sulfuric acid while there is already a carboxylic acid present
If 50.0mL of ethanol(density=.789g/mL ) initially at 7.0 Celcius is mixed with 50.0mL of water(density=1.0g/mL) initially at 28.5 celcius in an insulated beaker, and assuming that no heat is lost, what is the final temperature(celcius) of the mixt..
An insulated tank contains half liquid and half vapor by volume in equilibrium. The release of a small quantity of vapor without the addition of heat will cause
Its a cyclohexanol with an oh on the second carbon at the top and a cl on 4 directly opposite, what is the name
Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 1.695-g sample of Mg metal is added to 125.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. What mass of H2 is formed
The elemental mass percent composition of malonic acid is 34.63% , 3.87% , and 61.50% . Determine the empirical formula of malonic acid. Express your answer as a chemical formula.
When 0.170 g of the hydrate CaCl2•xH2O is heated, 0.128 grams of anhydrous CaCl2 remains. What is the value of x in the formula for the hydrate
Draw the correct molecular geometries of the following covalent compounds. Use the electronegativity differences between the atoms in each bond pair to determine the presence and direction of individual bond dipoles in each molecule.
To isolate the barium ion the hydrate was reacted with sodium carbonate to from a white precipitate of barium carbonate. Data from this reaction is given below:
Assuming that all "other" reactants used in the synthesis of the complex are in excess, calculate the theoretical yield of the complex.
Why do flares contain magnesium powder rather than a solid piece of magnesium? -Smaller particles have a lower energy of activation than larger particles.
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