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A camping lantern uses the reaction of calcium carbide, CaC2 (s) , and water to produce acetylene gas C2H2 (g) , and calcium hydroxide, Ca(OH)2 (s) . How many grams of water are required to produce 1.55 moles of acetylene gas?
What is the pH of a solution obtained by adding 75.0mL of 0.366M CsOH to 250.0 ml Ba(OH)2 solution with a pH of 11.65.
Suppose that you are carrying out a dehydrohalogenation reaction on 2-bromo-2,3-dimethylpentane to yield alkenes
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0 L container. What is the partial pressure of N2?
if the density of mercury is 13.6g/cm3, what will be the volume of 300g of mercury ?
Calculate the molar solubility of the following compounds from the Ksp values given, Zn(OH)2
A 270- flask contains pure helium at a pressure of 755 . A second flask with a volume of 485 contains pure argon at a pressure of 727 torr.
How many grams of the strong acid HClO4 must be combined with water to make 400 ml of a solution with a pH of 1.5.
Consider the titration of 50.0 mL of 0.200 M HClO4 by 0.100 M NaOH. Calculate the pH after 37.7 mL of NaOH has been added.
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
Determine the boiling point of the solution If 11.9 grams of a nonelectrolyte with molar mass = 30.5 g/mol are combined with 200.0 grams of the solvent,?
How fast must a 50.2-g tennis ball travel to have a de Broglie wavelength equal to that of a photon of green light (5400 Å).
What are the three major buffer systems of the body and what are the chemical equations
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