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Calculate the potential delivered by a voltaic cell operating by the following reaction if all of the dissolved species have a concentration of 0.035 and the pressure of H2 (g) is 1.00 atm. The standard cell potential is 0.392 V.
Zn(s) 2 H2O (l) 2 OH- (aq) -> Zn(OH)42- (aq) H2 (g)
Give a balanced chemical equation for when liquid octane (C8H18) is combusted in oxygen gas to yield carbon dioxide gas and water vapor?
Isooctane (2,2,4-trimethylpentate), one of the many hydrocarbons that make up gasoline, burns in air to give water and carbon dioxide.
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
Solution 1.0C 1xF 1.8F 32F2 to carry out the desired conversion. When the absolute temperature is 400 K, what is the Fahrenheit temperature?
Seven tiny spheres of liquid mercury each have a diameter of 2 millimeters. They are now added together and coalesce into one larger drop. What is the diameter of this larger drop?
1. How many CO2 molecules are needed to produce 1 glucose molecule (in photosynthesis)? 2. How many moles of oxygen atoms are in 1 mole of calcium phosphate?
A Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds? What does this tell us about the nature of matter?
monoprotic acid. Dihydrogen pthalate (H2C8H4O4) is a diprotic acid. An analyte sample contains 0.127 M KHP and 0.0678 M (H2C8H4O4). What volume of a 0.205 M NaOH solution is required to neutralize 25.0 mL of the analyte solution.
Calculate the 1) mls of 15M Acetic acid 2) the grams of sodium acetate 3) and the mls of water required to make a 500mM acetate buffer at pH 4.85
A 32.0-g sample of water at 290. K is mixed with 51.0 g water at 320. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A reaction is initiated at 30°C by dissolving 0.2M fructose-1-phosphate in an aqueous solution. When the reaction reaches equilibrium the concentration of fructose-1-phosphate is 6.52 x 10-5M.
What is the value of Ksp for Ag2SO4 if 5.40 g is soluble in 1.00 L of water?
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