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A volume of 84.0mL 0.25 M Hydrogen Bromide is titrated with 0.50 M Potassium Hydroxide. 42.0mL of KOH is added further then calculate the pH for this solution?
Heat of fusion of Methane =0.84 kJ/mol, heat of vaporization =9.2 kJ/mol. calculate approximately the value for the heat of sublimation of methane
Indicate the concentration of each of ion present in the solution formed by mixing
A 635 mL sample of unknown solution reacts completely with to form 19.1g CO2 . What was the concentration of the solution?
A compound of forumula C14H12 gave a positive Baeyer test and burned with a yellow, sooty flame. Treatment with ozone followed by hydrolysis in the presence of zinc gave formaldehyde as one of the products.
Describe using chemical reactions how Oxone keeps swiming pool water clean (i.e. what would happen to the solubility of organic materials such as algae when treated with Oxone
what is the concentration of glyceraldehyde-3-phosphate? Assume a temperature of 25.0 °C. The constant R = 8.3145 J/(mol·K)
flask and allowed to reach equilibrium at a given temperature, what is the final concentration of cl2 In the flask?
what bond angles do you expect for each of the following, and what kind of hybridization do you expect for the central atom in each
Write reaction equations to explain how your acetic acid/sodium acetate buffer reacts with an acid and reacts with a base.
Suppose you decide to define your own temperature scale using the freezing point (13 C ) and boiling point (360 C) of oleic acid, the main component of olive oil
write a chemical equation for the formation of Na and N2 from sodium azide
The isothermal compressibility of graphite is 1.56 × 10-7 bar-1. At what pressure is density equal to density of diamond?
What mass of precipitate forms when 157.5 mL of 0.749 M NaOH is added to 517 mL of a solution that contains 10.9 g aluminum sulfate per liter
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