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calculate the minimum amount of work that must be done to remove 100 J of heat form the inside of the refrigerator, when inside the temperature is -80 C , and the outside temperature is 20 C. And plot the minimum amount of work that must be done to remove 100 J of heat from the inside of the refrigerator when the inside temperature is -80 C as a function of external temperature (from 0 C to 40 C). use this result to comment on the impact of high room temperatures on ultra low freezers.
Above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 9.99? The Ksp of Fe(OH)2
From your previous knowledge of the tendencies of certain metals to rust or tarnish, and from your reading in this experiment, select at least three metals from the following list which are quite active, three which are moderately active,
Calculate the amount of heat required to completely sublime 14.0 g of solid dry ice (Co2) at its sublimation temperature
What is the cruising range (in miles) of the automobile on a full tank, assuming all the energy is transferred to the wheels? If the actual cruising range is 732 km, what is the efficiency of the engine?
For the following reaction, KOH(s)+SO2(g)=KHSO3(s), if 0.5 g of each reactant were allowed to react with each other... which of the following answer choices apply to finishing the above question 1. more than one gram of product would result
The activation energy for a reaction is found to be 80 kj/mol. calculate the temperature at which the rate will be ten times that of 0 deg. celsius.
Calculate the volume of these ten ball bearings in liters (L). In performing the calculation, present your work as unit conversions, and report your answer to the correct number of significant figures.
Trace amounts of rare elements are found within groundwater and are of interest to geochemists. Europium and terbium are lanthanide-series elements that can be measured from the intensity of their fluorescence emitted when a solution is illuminate..
What current is required to produce 91.6 g of chromium metal from chromium(VI) oxide in 12.4 hours?
Provide the reagents necessary for the following syntheses. More than one step may be required. (a) (b) (c) (d) (e) (f)
Small helium-neon lasers emit 2.94 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
How do you draw 1(R)-chloro-3(R)-bromocyclohexane. What is the enantiomer and diastereomer of 1(R)-chloro-3(R)-bromocyclohexane
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