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A 50g chuck of metal (c=0.506 j/g degrees celsius) is heated to 60 degrees celsius. It is then dropped into a calorimeter (c=1.40 j/g derees celsius, m - 5.0g) that contains 100g of liquid. The temperature of the liquid raises from 15 degrees celsius to 20 degrees celsius.
What is the celsius of the liquid?
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.
Lactic acid is a monoprotic acid with a Ka of 1.4 x 10-4. What is the percent ionization of a 0.100 M lactic acid solution in the absence and presence of 0.0500 M sodium lactate
the chlorination of pentane gives a mixture of three monochlorinated products.a draw their structures.b predict the
What would be the molar ratio of base to salt for the buffer and how many grams of the salt should be added to the 400 mL of a 0.12 M solution of base to get to the desired pH
Why do acid- and base-catalyzed elimination reactions often result in a mixture of products? Be specific. Hint - there is more than one reason.
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
How many moles of HCl must be added to 1.0 L of 1.0 M NH3(aq) to make a buffer with a pH of 9.00? (pKa of NH4^+ = 9.25)
A solution of H2SO4(aq) with a molal concentration of 4.37 m has a density of 1.233 g/mL. What is the molar concentration of this solution?
What type of mineral source (sulfide, oxide, halide, phosphate, silicate, carbonate, etc) are the following elements typically isolated from? Write the chemical formula for the source mineral (for example: silver, typical mineral source = silver s..
One thousand tonnes (1000t, t=10^3 kg) of sand contains about a trillion grains of sand. How many tonnes of sand are needed to provide 1 mol of grains of sand
Determine the rate law and the value of k for the following reaction using the data provided
Samples containing the isomers cyclohexylmethanol as well as cyclohexyl methyl ether are injected into a carbowax column. Which of these two would have a shorter retention time. Briefly explain why
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