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Describe the changes in the sizes of the sodium and chlorine atoms during the following combination reaction. 2Na(s) + Cl2(g) ? 2NaCl(s)
How many grams of potassium chloride will be generated on decomposition of 225 grams of potassium chlorate?
Name those that have a trisubstituted ring where the methyl gorups are oriented Ortho for 3 different isomers.
A 10.0 balloon contains gas at a pressure of 640 torr. What is the new pressure of the gas at the 22.0 liters volumes if there is no change in temperature.
How many milliliters of 0.20M NaOH do you need to neutralize 40.0 ml of 0.12M acetic acid?
a 265- flask contains pure helium at a pressure of 761 . a second flask with a volume of 490 contains pure argon at a
Give the reaction scheme, showing the products formed (before hydrolysis) when one equivalent of ethylmagnesium bromide is treated with one equivalent of 5-hydroxy-2-pentanone.
If 4 liters per minute of 100 ppm 1,1,2-trichloroethane solution is to be treated in a packed tower air stripper, what air flow is required if equilibrium is assumed and 100% removal
Comment on whether these are made of the same materials or not, and explain your response. The density is different in each, so they are made of different materials.
Consider the reaction: 2 A + B + 2452 J --- 2C at 25 celcius. The entropy change dor the reaction is 10.0 J/k. At what temperature would you expect it to be spontaneous
What is the main structural feature of the azo dyes that causes them to be colored compounds? Methyl Orange is an acid-base indicator. In dilute solution at pH greater than 4.4, it is yellow.
Describe how a cation exchange resin and a solution of NaOH with a known concentration could be used to determine the amount of NaCl in an aqueous solution
Using decarboxylation reactions, outline a synthesis of each of the following from appropriate starting materials: (a) 2-Hexanone
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