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A cylinder equipped with a piston expands against an external pressure of 1.58 atm. If the initial volume is 0.485 L and the final volume is 1.245 L, how much work (in J) is done?
At a certain temperature and pressure 1.4 L of N2 reacts with 2.1 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
calculate the mass loss on heating 1.200 g of a NaHCO3-NaCl mixture containing 65% NaCl
A calibrated flask was filled to the 25 mL mark with ethyl alcohol. By weighing the flask before and after adding the ethyl alcohol, it was determined that the flask contained 19.7325 g of alcohol.
If a 220 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.3x1.0 ft, what is the average thickness of the sheet in meters?
when 15.0g of steam drops in temperture from 275.0C to 250.0C how much heat is released csteam=2.01j/gC
How to Name and Define Acids, How can you know that HNO3 is nitric acid and HNO2 is nitrous acid? How do you know the difference in endings?
Reaction of p-aminophenol with acetic anhydride to produce acetylaminophenol, In an experiment, acetylaminophenol is produced from the reaction of p-aminophenol with acetic anhydride.
Calculate the average kinetic energies of the CH4 and N2 molecules at 286 K and 556 K?
What volume of 0.240 M K2S solution is required to completely react with 195 mL of 0.155 M Co(NO3)2.
Energy level of electrons in atoms - The 3s level in hydrogen has a lower energy than the3d level in hydrogen.
Mechanism for propene treated with HOCl, When propene is treated with hypochlorous acid (HOCl), the product isolated is 1-chloro-2-propanol
What is the new boiling point point of water if you add 188 grams of magnesium chloride to 1250 g of water.
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