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(a) If you are told that the entropy of a certain system is zero, what do you know about the system and the temperature?
(b) The energy of a gas is increased by heating it. Using CO2 as an example, illustrate the different ways in which additional energy can be distributed among the molecules of the gas.
(c) CO2(g) and Ar(g) have nearly the same molar mass. At a given temperature, will they have the same number of microstates? Explain.
What are some of the characteristics that we want to observe. What might be your initial hypothesis. How would you set up an experiment to test your hypothesis
Calcium nitrate and ammonium fluoride react to form calcium fluoride, dinitrogen monoxide, and water vapor. What mass of dinitrogen monoxide is present after 15.0 g calcium nitrate and 17.50 g ammonium fluoride react completely
A cylinder equipped with a movable piston has a volume of 7.25 L under an applied pressure of 4.52 atm. what is the volume of the cylinder if we decrease
If 85.00% reaction is required to obtain a noticeable color from the formation of the Cr(SCN)2+ ion, how many hours are required
solution containing the iron(II) thiocyanate complex is 0.45, Then calculate the mile per liter concentration of the complex
Calculate the pH of a solution that is 0.295 M in sodium formate (NaHCO2) and 0.205 M in formic acid (HCO2H). the Ka of formic acid is 1.77x10^-4.
a 155 gram sample of copper was heated to 150 degrees Celsius then placed into 250 gram of water at 19.8 degrees Celsius. Calculate the final temperature of the mixture.
Determine the number of moles of CO2 that could be produced from the combustion of 0.00993 moles of Benzene
Which of the following addition will result in no change in the pH of the solution a. Adding ammonium nitrate to an ammonia solution.
how many milligrams of mgi2 must be added to 250.0 ml of 0.0876m ki to produce a solution with i-0.1000 m? note that
For a given reaction the following half-life and initial concentration data was collected. Use this data to determine the reaction's order and rate constant.
a 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. the solution freezes at -1.23degc.
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