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Explain what mass in grams of carbon dioxide can be produced from the reaction of 16.65 g of propane with 52.66 g of oxygen?C3H8 (g) + 5 O2 (g) 3CO2 (g) + 4H2O (g)
Calculate (in kJ) the standard enthalpy change ?Hº for the reaction written below, using the bond energies given
a solution contains an unknown mass of dissolved silver ions. when potassium chloride is add to the solution.a white
A fishing boat accidentally spills 15.0 barrels of diesel oil into the ocean. Each barrel contains 42 gallons. If the oil film on the ocean is 2.5 x 10^2 nm thick, how many square meters will the oil slick cover? Assume that the oil slick forms a ..
Calculate the values of Avogadro's number and the Faraday assuming the charge in an electron is 1.602 x 10^-19 coulombs/electron. Also calculate the mass the magnesium anode have lost during the process. The answers will be a number.
How much energy in kilojoules is required to change 47.6grams of ice at 0 degrees of celcius water at the same tempature
why are we given a known and unknown hydrate. what is the point of having a known sample. why is it important. do scientists give is a more 'generic' name, if so, what would a scientist call the known
saturated water vapor at 200c is isothermally condensed to a saturated liquid in a piston-cylinder device. calculate
When they specifiy that "Measure out xx mg of the phosphonium chloride salt and the appropriate amount of aldehyde, equivalents with respect to the the phosphonium chloride)
the pH of solution B is 9.2, then solution B has how many fold more or less H+ ions than does solution A?
suppose a 0.100 M solution of each of the following substances is prepared. Rank the pH of the resulting solutions from lowest to highest: KF, NH4I, HBr, NaCl, LiOH.
What mass of Na2S2O3 is required to prepare 1.00 L of a solution that will dissolve 1.00 g of AgBr by the formation of Ag(S2O3)2^3-? Show work.
Consider the reaction IO4 ^ - (aq) + 2 H2 O(l) =H4 IO6 ^ - (aq); Kc = 3.5 x 10^- 2 If you start with 27.0mL of a 0.901M solution of NaIO4, and then dilute it with water to 500.0 mL, what is the concentration of H4IO6^- at equilibrium
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