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Calculate the entropy change in the surroundings associated with this reaction occuring at 25 degrees C. Show all your calculations. The change in enthalpy for the reaction is +163.2 kJ. 2N2(g) + O2(g) ---> 2N2O(g)
What are the pKa's of the 2 acidic protons of salicylic acid. Suggest a synthesis of methyl salicylate using phenol as a starting material.
Give the systematic names of these compounds. Spelling counts! (a) CuI(s) (b) Fe2O3(s) (c) CoF2(s) (d) FeO(s)
What is the molar mass of a nonelectrolyte compound if 3.42 grams of the compound dissolved in 41.8 grams benzene begins to freeze
Electrode composed of chromium in a 1.0 M chromium(III) ion solution and another electrode composed of silver in a 1.0 M silver ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C
Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield?
Some solid remained in the beaker after stirring with HCl. You washed the filter paper with ketone, which caught on fire and the filter paper was scorched
When 50.0 mL of concentrated sulfuric acid is added to 1.15 g of sodium chloride, what volume (in mL) of hydrogen chloride gas is obtained at 1.00 atm pressure and 25oC?
Result in the formation of an aliphatic carboxylic Acid. Occur in Claisen-Schmidt condensation mechanisms
What solute particles are present in an aqueous solution of NH4Cl? Express your answer as a chemical formula. If there is more than one answer, separate them by a comma. Include charges where necessary.
When extracting caffeine from tea why do you have to use cold NaOH and water vs. room temperature
how many moles of gas are there in a 45.0 l container at 25.0 degress celcius and 500.0 mm hg
Use Hess' Law to show how the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
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