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The atmosphere on the planet Venus exerts a pressure of 90.0 atm at the surface, at a temperature of 900 Fahrenheit. If an interplanetary vehicle goes to Venus and collects 2.50 L of this gas and brings it back to earth, what volume would the gas occupy at STP?
the threshold wavelength for potassium metal is 564 nm. what is its work? what is the kinetic energy of electrons ejected if radiation of wavelength 410 nm is used?
Nitric acid is purchased in a concentrated form that is 70.3% by mass and has a density of 1.41 g/mL. Describe exactly how you would prepare 1.15L of 0.100 M solution
Explain why the H-H distances determined for coordinated dihydrogen by X-ray diffraction are always significantly shorter than those
What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if P and n do not change
the entropy chage for vaporization of hi at its boiling point is 89.0 j.k-1.mol-1. if the heat of vaporization of hi is
Predict the average rise in sea level due to thermal expansion based on temp changes of 1,2, and 3.5 degrees C given that the volume of the Earth's Oceans is 1.37X10^9 km^3 and the surface area is 361X10^6 km^2, and state the approximations that g..
A gas expands and does P-V work on the surroundings equal to 281 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
calculate the mass of sodium nitrate, NaNO3, required to produce 7.00g of oxygen according to the following reaction:
Consider the following combustion reaction: 2C4H10 + 13O2 -> 8O2 + 10H20. 125 g of C4H2O react with 415g O2.
If a stream of hydrogen gas is ignited in air, the flame can than be immersed in a jar of chlorine gas and it will still burn. Write the balanced equation for the reaction that occurs in the jar. What is the oxidizing agent in the reaction
Draw the basic repeating unit of polyethylene terephthalate (PET). Classify PET as a polyamide or polyester. Is PET a condensation or addition polymer? Explain.
The vapor pressure of carbon tetrachloride, , is 0.354 atm and the vapor pressure of chloroform, is 0.526 atm at 316K . A solution is prepared from equal masses of these two compounds at this temperature
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