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List the intermolecular forces available in benzene and in water, and predict whether which substance will have a higher boiling point, and explain why. Make sure you include a proper discussion of all the factors involved. (That is, talk about the intermolecular forces that are present in samples of each molecule as part of your response.)
The volume of each glass was 250mL. How much heat, in kJ, did the body have to supply to raise the temperature of the water to body temperature (37 C)?
Concentrated nitric acid is 70% by volume. Explain how many mL OF 70% NITRIC ACID are required to make 450mL of 3.3% acid
A quantity of gas originally held at 4.75 atm pressure in a 1.00 L container at 26 Celsius is transferred to a 12.0 L container at 20 Celsius . A quantity of O2 gas originally at 5.15 atm and 26 Celsius in a 5.10 L container is transferred to this..
Compute the pH after 0.019 mole of HCl is added to 1.00 L of each of the four solutions. Presume that all solutions are at 25°C.
the density of a certain gaseous compound of nitrogen and oxygen is 2.00gl at 297 k and 1.06 atm. what is the molecular
Use Le Châtelier's principle to explain how adjusting the pH enables the control of C2O42- in a solution of oxalic acid, H2C2O4. Select all that apply
The drug amphetamine, C6H5CH2(CH3)NH2, Kb = 7.8 x 10^-4, is usually marketed as the hydrogen bromide salt, C6H5CH2CH(CH3)NH3+Br-, because it is much more stable in this solid form. Determine the pH of a solution made by dissolving 6.48 g of salt t..
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. What wii be the ratio of the volumes of the gases?
Explain what simple test can be performed to show that 3-chlorobenzoic acid is not eluted from the chromatography column? TLC possibly
Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 2.84 g of sodium and 4.37 g of chlorine
Solid benzoic acid, C6H5COOH(s), is often used to determine the heat capacity of a bomb calorimeter, because the constant volume heat of combustion of this compound is known with high precision: qV = 26.434 kJ/g. When a 2.088 g sample of C6H5COOH(..
A ground-state H atom absorbs a photon and makes a transition to the n = 4 energy level. It then emits a photon of energy 4.085 x 10^-19 J. What is the final energy and n value of the atom
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