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Calculate the volume of concentrated sulfuric acid, containing 98% H2SO4 by mass, that would contain 40.0 g of pure H2SO4. The density of concentrated H2SO4 is = 1.84g/mL
gasoline has the density of .73g/cm^3. how many liters of gasoline would be required to increase the mass of an automobile from 1271 kg to 1305 kg.
How many mols of hydrogen are produced from the reaction of .558 mols of zinc with an excess of hydrochloric acid?
A 1.0 L sample of a gaseous compound of hydrogen, carbon, and nitrogen gave upon combustion 2.0 L of CO2, 3.5 L of H2O vapor, and 0.50 L of N2 (with all gas volumes measured at the same T and P). What is the empirical formula of the compound?
Reaction kinetics - Determination of the activation energy of the reaction between oxalic acid and potassium permanganate.
Na3P + 3H2O ---> PH3 + 3NaOH. What is the theoretical yield of PH3 when 150 grams of Na3P is mixed with 250 grams of H2O? If the actual yield is 30 grams, what is the % yield?
what happened when the isolated fraction, floating on top of the solution,
Fuel cells combine H2(g) and O2(g) to produce H2O(g). What is the crossover temperature for this reaction at standard state
A solution is made by adding 70.00grams of sodium acetate to 550.0mL of 0.60 mol/L solution of acetic acid. a.What is the pH of the
if 3.55 mL of vinegar needs 43.0 mL of 0.130 M sodium hydroxide to reach the equilavence point in a titration, how many grams of acetic acid are in a 1.6qt sample of this vinegar?
A 12-gram mixture of methane, CH4, and ethane, C2H6, is completely combusted in oxygen. If the total mass of H2O produced is 22.0 grams, what was the approximate mass of the methane in the original mixture?
balanced oxidation half reaction and balanced reduction half reaction?
Small helium-neon lasers emit 3.60 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
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