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What are the phases or states in which matter can exist. Provide characteristics of each state and how transformations are made from one state to another.
Write a balanced chemical equation for the combustion of one of the components of gasoline (n-octane C8H18) in air.
it has been estimated that about 3.4 x 1013 kg of fossil fuels will be consumed annually by the year 2020. if one-third
Lead(II) forms soluble hydroxo complexes in excess base. Calculate the molar solubility of lead hydroxide (yellow form) at pH 8.46. See your text for equilibrium constants.
Consider four different samples: aqueous , molten , aqueous , and molten . Current run through each sample produces one of the following products at the anode: liquid bromine, fluorine gas, or oxygen gas. Match each sample to its anodic product.
What is meant by the term elementary reaction? What is the difference between a unimolecular and a bimolecular elementary reaction? What is a reaction mechanism?
The equilibrium constant, Kp, for the following reaction is 0.497 at 500 K: PCl5(g) PCl3(g) + Cl2(g) Calculate the equilibrium partial pressures of all species when PCl5(g) is introduced into an evacuated flask at a pressure
Calculate the pH of a solution prepared by diluting 2.5 mL of 1M acetic acid up to a final volume of 100 mL (pka 4.76)
Identify the compound with the highest wavelength in an UV spectrum. a. benzene b. phenol c. phenolate ion d. aniline e. anilinium ion
What is the molar solubility of pbcl2 in a solution containing 0.020 M cl-(aq)? the ksp for pbcl2 is 1.6*10^-5
Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to standardize strong base solutions. It has the unwieldy formula of KHC8H4O4. This is often written in shorthand notation as KHP.
This molecule is an implement in alkene chemistry that I made up. Devise a synthesis as of any compound containing 4 carbons or less.
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?
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