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Hydrogen reacts in a fuel cell to produce water and electricity according to the reaction below. What is the maximum amount of electricity you might derive from 7.50 g of hydrogen
2H2 + O2 = 2H2O Delta G= -474.2 kJ
given the following substances, xenon, ammonia, iodine monochloride, and fluorine, and the following statements,
What type of hybridization is used on the central atom in CHCL3?
The temperature is increased to 45 degree celcius then determine what is the pressure in the cylinder
the resulting solution is analyzed in a sample container that is 1dm long? The specific rotation of (R)-2-butanol is -13.9 degrees mL g-1dm-1.
Write down the full Hamiltonian for a He atom moving freely in space, i.e., there is no external potential. b) Now assume there is no repulsion between the electrons
the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
Using the given reduction potential determine what is the voltage for these given electrochemical cell
MgNH4PO4*6H20 loses H20 stepwise as it is heated. Between 40 and 60 degrees C the monohydrate is formed, and above 100 degrees C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and of the anhydrous material..
This aqueous mixture then reacts with excess aqueous lead (II) nitrate to form 21.75g of solid. Determine the mass percent of sodium chloride in the original mixture?
The absorbance at 595 nm was 0.78 and,according to a standard curve, corresponds to 0.015 mg of proteinon the x axis. What is the protein concentration of the original solution?
calculate how many mgs of Ca2+ are present in 12.0mL of blood and Determine the percent yield 5.04 grams of H2
what is the concentration of oygen dissolved in water at 20 degrees celsuis in equilibrium with a gas mixture at 0.81 atm.
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