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A saturated solution of magnesium hydroxide in equilibrium with undissolved solid is prepared at 25C. The pH of the solution is 11.03. Calculate the value of the Ksp
The compound para-dichlorobenzene often used in mothballs, is composed of 49.02 % carbon, 2.743 % hydrogen, and 48.24 % chlorine by weight.
Why do Br And I interfere with the NO3 test? Explain fully using bromide as an example, including equations. 3. Explain why an excess of Fe2+ is necessary for the NO3 test.
completely reacts. What is the mass (s) consumed during the reaction?
An enzyme-catalyzed reaction produces a product that has a maximum absorbance at 412 nm. The extinction coefficient is 4000 M^-1 cm^-1. A 10-to-1 dilution of the enzyme is made and 20 microliter of the dilution are put into a cuvette with 80 micro..
A process involving a perfect gas is carried out in which the temperature changes at constant volume. First, the process is carried out for a fixed value of ?T and the mass of the gas is doubled. Then, the process is repeated with the same initial..
The molecules CO2 and SCL2 are both of the general molecular type AB2, but one is polar and one is not. Which molecule is polar?
A student added 0.40 mL of acetic anhydride instead of 4.0 mL. Did this procedural error affect the theoretical yield of her preparation? Briefly explain.
A piece of a newly synthesized material of mass 25.0g at 80 degrees C is placed in a calorimeter containing 100g of water at 20 degrees C. If the final temp of the system is 24 degrees C, what is the specific heat capacity of this material?
The normal boiling point of ethanol is 78.4 C, and the heat of vaporization is Delta H vap = 38.6 kJ / mol.
The vapor pressure of dichloromethane,CH2Cl2, at 0 C is 134 mmHg. The normal boiling point of dichloromethane is 40 C. Calculate its molar heat of vaporization.
Write the ionic equation and net ionic equation for the following reactions. Show all work for each balanced equation a. HCl(aq)+ NaOH(aq) b. CH3COOH (aq) + NaOH (aq)
A manufacturer of bicycles has 4819 wheels, 2305 frames, and 2250 handlebars. How many wheels are left over? How many frames are left over? How many handlebars are left over? Which part limits the production of bicycles?
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