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A compound that is 43.64% P and 56.36% O by weight has a molecular weight of 283.88 g/mol. What is the molecular formula of this compound?
organic reactions can be classified as substitutions eliminations or additions and the reagents can be classified as
Jojoba wax in candles consists of stearic acid and a 22-carbon saturated alcohol. Write the structure of jojoba wax.
Compute the change in temperature when 1.8 g of sodium chloride is dissolved in 300.0 mL of water initially at 20C. The heat capacity of water is 4.184 J/mL/K.
2Hg+2 + N2H4 ------> 2HG + N2 + 4H+ If 13.52 grams of mercury if formed. If you had 135.0 ml of Hg+2, what was the original concentration of Hg+2
looking down from C2-C3 and starting at lowest energy conformer, draw all conformers for all the following molecules and rank the on the energy diagram.
In a solution of NH3, the concentration of NH3 is 0.01 M, Kb is 1.8 x 10-5. What is the concentration of the hydroxide ion
Show a series of reactions by which acetylene and an alkyl halide could be converted into 2-pentanol. Show all steps and all needed reagents/conditions.
Tell what type of chemical reaction is represented by the following chemical equation.
Calculate the change in enthalpy and entropy of 50 g of liquid water starting at 10 degrees Celsius and completely evaporating into H2O gas at 100 C.
find the volume of a gas inside a cylinder.1. air trapped in a cylinder fitted with a piston occupies 168.8 ml at 1.08
Sodium bicarbonate is often used as an antacid to neutralize excess hydrochloric acid in an upset stomach. What mass of hydrochloric acid (in grams) can be neutralized by 2.3g of sodium bicarbonate?
When 100.g Mg3N2 reacts with 75.0 g H2O, 15.0 g of NH3 is formed. What is the % yield?
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