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Propane gas (C3H8) is used as a fuel in rural areas. How many liters of CO2 are formed at STP by the complete combustion of the propane in a container with a volume of 15.0 L and a pressure of 4.5 atm at 25 C?
The unbalanced equation is:
C3H8 + 5O2----->3CO2 + 4H2O
at 700° C is 0.76 atm. Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.2 atm at 700° C.
On treatment of Compound D with an alcoholic solution of silver ammonium hydroxide, a silver mirror was formed within a few minutes. Identify the hydrocarbon A and Compounds B-D.
Calculate the concentration of the acetate ion (mol/L) in a solution prepared by dissolving 1.00×10-2 mol of HCl(g) in 1.00 L of 9.00×10-1 M aqueous acetic acid. Equilibrium constants may be found in an appendix to your text.
a calorimeter contains 21.0 ml of water at 11.0 circc. when 2.50 g of rm x a substance with a molar mass of 65.0 gmol
If 0.176 moles of Mg have combined with 0.220 moles of O, what is the empirical formula of the product?
56.0 mL of 3.50 M sodium hydroxide is combined with 36.0 mL of 1.50 M magnesium chloride. What mass in grams of solid forms
Say you are presented with two beakers, beaker A and beaker B, each containing a white, powdery compound. a. From your initial observations, you suspect that the two beakers contain the same compound.
Show how a buffer system will not drastically change its pH by addition of a certain amount of a strong acid or base. Use 0.50 M buffer system and show how the pH will change upon addition of 10.0 mL each of ) 0.10 M of HCl or NaOH. Use any combin..
Complete and balance the following equations, and identify the oxidizing and reducing agents. MnO_4^-}(aq) + CH_3OH}(aq) -->Mn^{2+}}(aq) + {\rm HCO_2H}(aq) acidic \ solution})
Does caffeine or chlorophyll have a higher Rf value? Briefly explain why by discussing the intermolecular forces present in the molecules
What is the heat of vaporization of a if 215mol of the liquid required 2040J of energy to vaporize at its boiling point
The reactant concentration in a zero-order reaction was 9.00×10^-2 M after 100s and 2.50×10^-2 M after 390s . What is the rate constant for this reaction
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