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Calculate the concentration in ppm of a pollutant that has been measured at 450 mg per 150 kg of sample.
Gilman reagents will react with alkyl halides to form carbon-carbon bonds. Outline a synthesis of Ph2CuLi and use it to make butylbenzene isomer free. What other way can you make butylbenzene isomer free?
Draw a separation scheme for isopentyl acetate from its reactants (isopentyl alcohol, glacial acetic acid, and concentrated sulfuric acid)
A 493 mL sample of solution contains 33.2 g of CaCl2 Calculate the molar concentration of Cl in this solution
Calculate the heat released as 115 grams of water cool from its normal boiling point (100 degrees C) to a temperature of 33 degrees C.
what is the functional groups and molecular formula of aspartame, the NH2 is below the 3rd C and the CH2 is below the 5th C
the molar heat of combustion of methanol, CH3OH, is -757kJ/mol. If 2g of methanol is placed in bomb calorimeter with heat capacity of 6.5 kJ/c, what is the temperature rise when the sample is combusted?
A temperature increase of 67.4 K was recorded after 1.500 g of metallic magnesium (24.305 amu) reacted completely with 100.0 mL of 1.00 M aqueous HCl in a non-ideal coffee cup calorimeter with a heat capacity of 16.0 J/K.
What is the pH of a solution that is 0.125 M in methylamine (CH3NH2) and 0.175 M in methylamine chloride (CH3NH3Cl)?
consider the decomposition of liquid benzene to gaseous acetylene according to the following reaction C6H6=3C2H2 what is the delta H for the formation of 1 mole of acetylene?
Calculate the rate of water removal from the condenser, the rate of dehumidified (1.50% water) air delivered to the house, and the flow rate and composition of the humid air entering the condenser
What mass of AgBr would precipitate from this mixture? (Ksp of AgBr is 5.4x10^-13 & Kf of Ag(CN)2^1- is 1.0x10^21)
Paradichlorobenzene, C6H4Cl2 is a component of mothballs. A solution of 2.00 g in 22.5 g of cyclohexane boils at 82.39 C . The boiling point of pure cyclohexane is 80.70 C. Calculate Kb for cyclohexane. Express the constant numerically in degrees C..
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