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Describe how you would make 2.35 g of a mixture of sand,clay and ash in the following percentages, respectively : 24.64%, 4.23%, and 71.13%
For the first order decomposition of acetone at 650 K, the concentration of acetone was 0.350 M after 25.0 min and 0.170 M after 40.0 min.
Dehydration of 2-bromobutane in the prescence of a strong base proceeds via which of the following mechanistic pathways
What is the hydronium ion concentration of a solution with an hydroxyl ion concentration of 1.8 x 10^-10 M? D) What is the hydronium ion concentration of a solution with an hydronium ion concentration of 5.13 x 10 ^-9 M?
Eventually, the water cools to 25.0 degrees celsius while the temperature in the room remains unchanged. Calculate deltaS(sys), deltaS(surr), and deltaS(univ) for this process.
A certain first-order reaction has a rate constant of 1.00x10-3 s-1. How long will it take for the reactant concentration to drop to 1/8 of its initial value?
Mg3N2(s) + 6H2O(l) → 3Mg(OH)2(s) + 2NH3(g) How many grams of H2O are needed to produce 150 g of Mg(OH)2?
Triethylamine, (ch3ch2)3n, is a liquid that boils at 89C and has a viscosity of about 4 x10^-4 kg/ms. Explain the differences in properties of these two componds.
the S for the system is predicted to be negative, so therefore the ?S for the surroundings must be positive to a greater extent so that the the net S for the universe is positive
Consider the halide ions as nucleophiles. Briefly explain why F-, the strongest base among the halide ions, is the best nucleophile in polar aprotic solvents while iodide the weakest base is the best in protic solvents.
The united states food and drug administration requires that any product called vinegar contain at least 4% of weight by acetic acid .Assuming that the density of vinegar is the same as water, does this satisfy the FDA requirement to be called vin..
The rate of a chemical reaction can sometimes be determined by measuring the change in mass of the reaction flask and its contents with time
In the synthesis of aspirin, what would happen if a student tried to quench the reaction by adding excess aqueous sodium hydroxide instead of 8 mL of water
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