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Assume that the following terpenoid is derived biosynthetically from isopentenyl diphosphate and dimethylallyl diphosphate, each of which was isotopically labeled at the diphosphate-bearing carbon atom (C1). Click on the carbons that would be isotopically labeled.
Calculate the enthalpy change for the dissolution of NH 4 NO 3 and expree your answer in units of kJ/mol.
What is the molar mass of the unknown compound if the solution has a freezing point of -5 oC?
A sample of nitrogen has a volume of 630 mL at a temperature of 49 degC. Assuming that the pressure is constant, what will be the volume when the temperature is 348.6 degC.
compounds are dissolved in 1.00 L of w ater: 0.220 mol HA (K a = 1.36 x 10 - 3 ), 0. 18 mol NaA, 0.0 8 mol H 2 SO 4 , and 0.08 mol KOH . What is the pH of the resulting solution?
(0.0250 moles)(5 moles of the H20 / 1 mole of copper sulfate pentahydrate)(18.01 g/mol of H2O) = 2.25 grams, on top, in order to achieve the real molarity of CuSO4 when in solution?
what is the minimum amount of KCN (in g) needed to react with 15.6 g of gold?
The heat capacity of solid and liquid ethanol are 0.97 J g-1 K-1, respectively. How much heat is required to convert 50.0 g of ethanol at -150 deg. celsius to the vapor phase at 78 deg. celsius
What is the velocity of a first-order reaction when the reactant concentration is 6 x 10-2 M and the rate constant is 8 x 103 sec-1?
How are conditions of pressure and temperature, at which two phases coexist in equilibrium, shown on a phase diagram? By a line separating the phases by the endpoints of the line segment separating the phases
A first order decomposition reaction is observed to have the following rate constants at the indicated temperatures. using an Arrhenious plot, find the activation energy
What simple compund reacts with carboxylic acid to make lidocaine? Identify and draw the structures of two simpler compounds one from which should be a carboxylic acid, from which you could make lidocaine.
Which of the following molecules is polar?
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