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You have a sealed, flexible balloon filled with argon gas.The atmospheric pressure is 1.00 atm and the temperature is 2°C.Assume that air has a mole fraction of nitrogen of 0.790 (i.e., 79 mol-% N2 in air), the rest being oxygen.
(a) Explain why the balloon would float when heated. Make sure to discuss which factors change and which remain constant, and why this matters. Be complete.
(b) Above what temperature would you heat the balloon so that it would float?
if the partial pressure of NO is decreasing at a rate of 56 torr/min what is the rate of change of the total pressure of the vessel?
draw the major form of your drug whenph is low (acidic medium) for all acid base groups c. draw the major form of drug when ph is high (basic medium for all acid base groups
At 0°C, the volume coefficient of expansion of mercury is α = 18×10-5 K-1, and its coefficient of compressibility is β = 5.32×10-6 bar-1.
How many grams of potassium chlorate decompose to potassium chloride and 510. mL of O2 at 128°C and 652 torr?
In an experiment, equal volumes of 0.00200M FeCl3 and 0.00200M NaSCN were mixed together and reacted according to the equation:
The ground water in Pherric, New Mexico contains 1.80 mg/L of iron as Fe+3. What pH is required to precipitate all but 0.30 mg/L of the iron as Fe(OH)3 at 25oC?
When given a problem with an aqueous solution containing Na3PO4 and you need to find the boiling point of the solution only knowing the solution is 18.7% by mass Na3PO4 and the Kb for water is .512 It also says to consider if the solute is an elec..
calculate the grams of magnesium oxide that can be formed from decomposition
For the following acid-base equilibrium, label the stronger acid, stronger base, weaker acid, and weaker base. Predict whether the position of equilibrium lies toward the right
Vapor pressure measurements at several different temperatures are shown below for mercury. Determine graphically the molar heat of vaporization for mercury.
What is the freezing point of a solution of 1.17 g of 1-naphthol, C10H8O, dissolved in 2.00 mL of benzene at 20°C? The density of benzene at 20°C is 0.876 g/mL. Kf for benzene is 5.12°C/m, and benzene's normal freezing point is 5.53°C.
How many milliliters of .200 m NaOH are needed to neutralize 100.ml of .100 m HCl
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