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Presume 12.0 g of carbon (C) reacts with 65.0g of sulfur (S) to give 76.0 g of the compound carbon disulfide (CS2). In the process all the carbon gets used up, however some elemental sulfur is left over. For the law of conservation of matter to be obeyed how much sulfur is unused?
If the sunlight consists of photons with an average wavelength of 510.0 nm, how many photons strike a 3.20 cm2 area per second?
Suppose Joule encountered the waterfall at Niagara Falls. Calculate the height if the temperature difference between the top and bottom of the waterfall is 0.20° F.
The largest estimate for the amount of water on the moon is currently 1000parts per million (i.e 1000g water per 1000000g of salt). if the moon is made primarily of a pyroxene mineral with formula Fe2Si2O6 what is the "formula" of the hydrate with..
Old aspirin tests positive to a FeCl3 test, and so does aspirin that is heated in boiling water, why. Write the chemical reaction of aspirin and water at high temperatures.
what is the total volume of air in a room which contains a total of 75 kG of oxygen?
the most common source of copper is the mineral chalcopyrite. how many kilograms of chalcopyrite must be mined to
In a battery, water is used as a salt bridge, and the two electrodes are Carbon and Aluminum. Find the standard reduction potential of the battery, and indicate which electrodes are cathode and anode.
A 25:75 mixture of acetone:toluene is heated to 70 C at a pressure of 760 mmHg. What is the total vapor pressure of the system? Is the system a liquid below boiling, at boiling, or a gas?
2 hcl...i agraveis for this given reaction... h2 icl nbspyou just need to balance the equation and write the terms
The mass of an electron is 9.11× 10-31 kg. What is the uncertainty in the position of an electron moving at 1.00 × 106 m/s with an uncertainty of ?v = 0.01 × 106 m/s
chemical potential that is 1.00 KJ mol lss than an ideal gas under the same conditions. What kind of intermolecular forces dominate the system? what is the fugacity of the gas?
How many grams of urea (NH2CONH2) must be added to 450 g of water to give a solution with a vapor pressure 2.50 mmHg less than that of pure water at 30C? The vapor pressure of pure water at 30C is 31.8 mmHg. Assume urea is nonvolatile.
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