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Given the following unbalanced reaction: Fe2O3(s) + C(s) ? Fe(s) + CO2(g) 36.89 grams of Fe2O3 are mixed with 5.810 grams of carbon. How many grams of each reactant remains after the reaction is complete and how many grams of each product is produced
If you have 400mL of .5 M NH3, how many moles of .47 M HCl must be added to the ammonia solution to reach the equivalence point.
What volume of glacial acetic acid (d= 1.06g/ml) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2M acetate buffer
Your friend decides to decrease cooking time for spaghetti noodles by adding table salt to 2.0 L water. How much table salt (NaCl) must be added to the water in order to raise the boiling point by 4.0?C? (Kf = 1.86?C/m, Kb = 0.512?C/m)
Among the elementary subatomic particles of physics is the muon, which decays within a few nanoseconds after formation. The muon has a rest mass 206.8 times that of an electron. Calculate the de Broglie wavelength associated with a muon traveling..
Find the molar mass of the compound. The reezing point of benzene is 5.49 degree celcius.
A 60.0 g sample of an alloy was heated to 96.0 °C and then dropped into a beaker containing 87.0 g of water at 24.1 °C. The temperature of the water rose to a final 27.63 °C.
A sample of gas occupies 721 mL at 1.00 atm. The pressure is increased to 1.1 atm (the temperature stays the same). What is the new volume of gas in mL?
Calculate the amount of heat required to raise the temperature of 72 g of H2O from 23 degrees celcius to 115 degrees celcius
which is limiting reagent when 42.0g of propane , C3H8, is burned with 115g of oxygen ? how many liters gaseous water are produced at STP
A sample of gas (24.2 g) initially at 4.00 bar was compressed from 8.00 L to 2.00 L at constant temperature. After the compression, the gas pressure was ________ bar.
100.0 g of nickel at 150 °C was placed in 1.00 L of water at 25.0 °C. The final temperature of the nickel-water mixture was 26.3 °C.
A mixture of CO, CO2 and O2 is contained within a 275 mL flask at 0C. If the total pressure is 780 torr, the CO has a partial pressure of 330 torr and the CO2 has a partial pressure of 330 torr, what is the partial pressure of O2?
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