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The alcohol content of hard liquor is normally given in terms of the "proof," which is defined as twice the percentage by volume of ethanol (C2H5OH) present. Calculate the number of grams of alcohol present in 1.00 L of 57 proof gin. The density of ethanol is 0.798 g/mL.
A 10.3 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
a gas has a volume of 590mL at a temperature of -55.0 C. what volume will the gas occupy at 30.0C?
When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of H2O will be: CN-(aq) + MnO4-(aq) --> CNO-(aq) + MnO2(s)
is independent of pressure. By doing so, obtain an expression for V as a function of T and ? at fixed P.
In a gas mixture, the partial pressures are nitrogen 435 , oxygen 145 , and helium 240 . What is the total pressure ( torr) exerted by the gas mixture?
Draw the fat molecule whose components are glycerol and butanoic acid. You may omit hydrogen atoms.
Calculate the pH at 25 degrees C of a 0.25-M aqueous solution of oxalic acid (H2C2O4). (Ka1 and Ka2 for oxalic acid are 6.5 x 10^-2 and 6.1 x 10^-5, respectively.)
Based on the functional group(s) present in the two compounds, determine 3 physical properties for each of the two compounds. Using these physical properties determine how each of the two compounds uniquely function in the products in which they ar..
a 64 g piece of ice at 0 degrees celsius is added to a sample of water at 9 degrees celsius. all of the ice melts and
In what type of material is the energy gap between the valence and the conduction band the greatest? Na, Ge or diamond. Draw a rough energy band showing the valence
aniline is being reacted with dimedone with an mgso4 catalyst. how does the lewis acid play a role in the mechanism? if
It is the potential energy diagrams with the activation energy. When the question asks to circle the largest rate constant and smallest rate constant
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