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Write down schemes for the reactions performed in this experiment. As a generic example, (1) write down the diazotization of 4-aminobenzenesulfonic acid, and (2) coupling with salicylic acid. Include the reaction conditions (reagents and solvents) involved.
Derive an expression for the subsequent concentration of sodium chloride c in terms of c0, t, Q, and V. Make a sketch of c versus t and label the main features.
Determine how much heat is evolved or absorbed when 30.0 g of lithium iodide completely dissolves in water.
If a 10B nucleus absorbs a proton, the radioactive nuclide that is produced may undergo alpha decay. What nuclide is produced in the decay process?
What is the rate law for step 1 of this reaction? ((Express your answer in standard Mastering Chemistry notation.
In each of the following pairs of hydrocarbons, which one would you expect to have higher boiling points? And Why?
If 545 mL of oxygen gas is collected at 21°C and 745 mmHg , what is its volume at STP?
Use the Simple Huckel Molecular Orbital (SHMO) program to calculate which Pi system is more stable, anthracene or phenathrene.
Calculate the energy required to keep lightbulb burning for 3 hours in each of the energy units of Joules and Kilocalories
How many grams of sodium phosphate Na3PO4(163.9 g/mol) are contained in 205. mL of a sodium phosphate solution that is 0.194 M in sodium ion Na+?
If delta H for the reaction is -851.5 kJ/mol at 25'C, calculate the standard free energy change, delta G for the reaction at 25'C. Calculate the temperature at which the reaction changes from spontaneous to non-spontaneous.
Find out how many total moles of gas are produced If a sample has 2.10 mL of nitroglycerine (density = 1.592 g/mL) is detonated?
Which statement best describes relationships in a modern periodic table? A.) Each transition element is placed in the column of the main group element that it most closely resembles.
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