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If a car has an EPA mileage rating of 30 miles per gallon, What is this rating in km L-1? 1 liter = 1 dm3, 1 gallon = 3.785 liter, 1 mile = 1.609 km?
Calculate the partial pressure of carbon dioxide after cooling back down to the initial temperature and the mass percent, the mole fraction, and .
What is the average speed of the sprinter if A sprinter set a high school record in track and field, running 200. M in 22.0s .express your answer in kilometers per hour?
If 200 mL of 0.300 M Cr(NO3)3(aq) is added to 100 mL of 4.0 × 10^-4 M NaF(aq) at 25 degrees celcius, will a CrF3 precipitate form? For CrF3 in water at 25°C, Ksp = 6.6 × 10^-11.
The mixture is ignited with a spark and it reacts to form H2O (l)liquid water. determine the temperature of water?
A distance of 200 ft must be taped in a manner to ensure a standard deviation smaller than ± 0.03 ft. What must be the standard deviation per 100 ft tape length to achieve the desired precision?
Determine How hot should be the air in a ballon be heated if it has initially a volume of 750. L at the temperature of 20 degree celsius and the final volume must be 1,000.l
Determine at what temperature must a balloon be heated to have six Litres volume consider that the balloon was at the temperature of 25 degree Celsius and volume of two litres initially?
Determine ?H for the formation of one mole of aluminium(III) oxide, Al2O3(s) from the elements?
Using the given reduction potential determine what is the voltage for these given electrochemical cell
Your metropolitan area has been warned by the EPA to lower sulfur dioxide and nitrogen oxide emissions or it will lose substantial federal funding. One citizen's group calls for conservation as a means of drastically reducing electricity consumption.
sucrose solution is allowed to react for 195 minutes then determine the mass of sucrose that is hydrolyzed?
You have 16 electrons, 16 protons, and 16 neutrons. You can combine them to make 8 Helium (He-4) atoms, 4 beryllium atoms (Be-8), 2 oxygen atoms (O-16), or one sulfur atom (S-32).
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