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Ammonia gas is condensed at its boiling point at 1.01325 bar at -33.4c by the application of a pressure infinitesimally greater than 1 bar. To evaporate ammonia at its boiling point requires the absorption of 23.30 kl/mol. Calculate
a) wrev per mole,
b) q per mole,
c) Δ u,
d) Δ h.
What volumes of the stock solution will you have to pipet into the flasks to prepare standards of 1.00, 2.00, 5.00 and 10 x 10 -3 M KMnO4 solutions?
a flask contains 30mL of 0.16 M phosphate buffer that has a pH of 7.1. what volume of 0.06M NaOH should be added to increase
What is the empirical formula of a compound that is composed of 1.67 g of cerium and 4.54 g of iodine.
A sample of gas in a balloon has an initial temperature of 22 and a volume of 1610 . If the temperature changes to 58, and there is no change of pressure or amount of gas, what is the new volume, , of the gas?
How do you write structural formulas for all the constitutionally isomeric compounds having the given molecular formula C3H9N,
What is the molar mass of mixture A and mixture B? Show detailed work for first and best rating.
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
how much of the excess reactant remains after the limiting reactant is completely comsumed?
Which of the following could be the results of the decomposition of the other sample, being consistent with the law of constant composition (also called the law of definite proportions or law of definite composition)?
Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)
Liquids "flow" quickly as measured by the speed at which a small amount of liquid will spread itself out to form a puddle. What does this behavior imply about the speeds at which the individual liquid particles are moving relative to each other?
dissolved in water to produce a 0.0125 M solution. The pH of the resulting solution is 6.39. Calculate the Ka for the acid.
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