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sulfur dioxide is an unwelcome result of burning soft coal in power plants. Some of the sulfur dioxide ends up as sulfuric acid ( H2SO4) in acid rain. What mass,in grams, of sulfur dioxide is needed to react with 37.50 moles of oxygen?
what mass of aspirin can be prepared by reacting 5.00 g if salicylic acid with an excess of acetic anhydride?
A 0.456 gram sample of an unknown monoprotic acid (lets call it HZ) was dissolved in some water . Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH.
How many grams of sulfur (S) are needed to react completely with 369 g of mercury (Hg) to form HgS?
When 2.00 moles of H2O react, how many grams of NH3 are produced?
what is the volume of 45.6g of silver if the density of silver is 10.5g/ml?
What is the final river temperature downstream? Assume that the density of the waste stream is 1000 kg/m3.
The dipole moment of SO2 and CO2 are 5.37x10-30 C.m and zero, respectively. What can be said about the shapes of the two molecules.
Define internal energy and enthalpy. What is the difference between the two? List the following gases in order of increasing root-mean-square speed, all at the same temperature: H2, He, O2, Ne
Calculate the amount of energy present in the following photons and find the region of electromagnetic spectrum for each.
A sample of Oxygen is collected in a 206 mL container over water at 15C, and the barometer reads 793 torr. What volume would the dry gas occupy at 704 torr and 15C? Water's partial pressure at 15C is 12.8 torr. Answer in units of mL.
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.022 moles of sulfuric acid is mixed with water to make 607 mililiter of solution, what is the molarity of H+.
Derive the general expression for the work per kilomole of a van der waals gas in expanding reversibly and at a constant temperature
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