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Chromium metal will react with oxygen gas to produce chromium(III) oxide (molar mass = 152.0 g/mol), according to the equation below.
4 Cr (s) + 3 O2 (g) --> 2 Cr2O3 (s)
a) If 1.48 moles of Cr is reacted with 1.03 moles of O2, which reactant is limiting and which reactant is in excess?
b) What is the theoretical yield (in grams) of Cr2O3?
A mixture of 80.0mL of hydrogen and 60.0mL of oxygen is ignited by a spark to form water. a) Does any gas remain un-reacted. Which one. b) What volume of which gas (if any) remains un-reacted
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A solution is prepared by dissolving 0.23 moles of hydrofluoric acid and 0.27 moles of sodium fluoride in water sufficient to yield 1.00L of solution. What is the pH after the addition of 0.05 mole of HCl. Assume that the volume does not change. (..
a gaseous mixture of rm o2 and rm n2 contains 31.8 nitrogen by mass. what is the partial pressure of oxygen in the
"Besides the traditional colorimetric acid/base indicators, there is another class that doesn't use color, the olfactory acid-base indicators! These compounds smell or don't smell based on their pH
If you have 300.0 mL of water at 25.00 °C and add 140.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
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diethyl either is 34.5C and its latent heat of vaporization is 6.38 kcal/mol. Calculate its vapor pressure
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