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Using values from Appendix C of your textbook, calculate the value of Keq at 298 K for each of the following reactions: (a) CH4(g) + 4 Cl2(g) CCl4(l) + 4 HCl(g) Keq = . (b) H2(g) + Br2(g) 2 HBr(g) Keq = . (c) Fe3O4(s) + 4 CO(g) 3 Fe(s) + 4 CO2(g) Keq = .
The Ka of acetic acid is 1.8 x 10-5 Using the above equation, what is the pH of this solution? What are spectator ions and what effect do they have on the pH of water
The sample is diluted with 72.178 g of water. A 14.024 g aliquot of this solution is then titrated with 0.1097 M HCl. It required 29.55 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.
what is the molarity of a solution prepared by adding 132 grams potassium chloride to enough water
organic carbon and that sorption can be described by the following linear model: Ksd=focKow. Estimate the mass of TCE sorbed to the solid material.
When electricity (the flow of electrons) is passed through a solution, it causes an oxidation-reduction (redox) reaction to occur. If the solution contains a metal cation such as Ag
What observed rotation is expected when a 1.02 M solution of (R)-2-butanol is mixed with an equal volume of a 0.510 M solution of racemic 2-butanol
A mixture contains both potassium phosphate and potassium chloride. What is the percentage of potassium phosphate in this mixture if reaction of 0.401g of this mixture with excess copper (II) chloride yields 0.213g of copper (II) phosphate?
Calculate the pH of a solution made up from 2.2 g of potassium hydroxide dissolved in 126 mL of 0.23 M perchloric acid. Assume the change in volume due to adding potassium hydroxide is negligible.
When H2 gas is formed from naturally occurring hydrogen, what percentages of the molecules have molecular weights of approximately
A cylinder of helium has a volume of 8.00 L. The pressure of the gas is 388 lb in-2 at 25C. What volume will the helium occupy at standard atmospheric pressure (14.7 lb in-2) assuming there is no temperature change?
The mass of a beaker is 123.2537 g. After carrots were added to the beaker, its mass is 128.2671 g. The sample was then placed in the oven to remove water.
Treatment of (S)-( )-5-methyl-2-cyclohexenone with lithium dimethylcuprate gives, after protonolysis, a good yield of a mixture containing mostly a dextrorotatory ketone A and a trace of an optically inactive isomer B
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