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Calculate the percent ionization of 0.085 moles/l of lactic acid in a solution containing 0.050 moles/l sodium lactate
Propose a mechanism for the acid-catalyzed synthesis of 4,5-dimethyldioxolane + water from formaldehyde
The heat of fusion of ice(the heat associated with ice melting) is 6.0 kJ/mol. Find the temperature of the coffee after the ice melts.
how many moles are there of the reducing agent. What is the molarity of the reducing agent? Oxidizing agent --> KMnO4 Reducing Agent --> Fe +2 Volume of Fe +2 = 25 mL Concentration of KMnO4 = 0.1290 M
How many grams of magnesium chloride must be dissolved in 568 g of water to give a solution that freezes at -2.38°C
A buffer contains 0.16mol of propionic acid (C2H5COOH) and 0.17mol of sodium propionate(C2H5COONa) in 1.20 L. 1)What is the pH of this buffer?
a normal mitochondrion in a normal cell (there are no inhibitors present). The amino acid glutamate can be converted into alpha ketoglutarate which then can enter the Citric Acid Cycle.
The first-order rate constant for the decomposition of N2O5, 2N2O5 --> 4NO2 + O2 at 70 degrees C is 6.82 * 10 ^-3 . Suppose we start with 2.90×10?2 of in a volume of 1.7 L. A)
calculate the freezing and boiling points of each of the following solutions. 0.40 mol ethylene glycol and 0.17mol KBr in 122 g H2O.
at 25 degrees C calcium fluoride has a solubility product constant Ksp= 3.0*10/\(-11). If enough CaF2 is added to saturate the following solutions, determine the equilibrium concentrations
Calculate the concentration of NO3- ion remaining in solution.
The net energy EN is just the sum of the two expressions above. Determine (a) the minimum bonding energy, E0, and (b) the equilibrium interionic distance, r0.
Consider the proposed mechanism for a reaction below. What is the rate law for the overall reaction?
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