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What is the solubility (in M units) of ammonia gas in water at 298 K and a partial pressure of 7.40 atm? The Henry's law constant for ammonia gas at 298 K is 58.0 M/atm.
A galvanic cell is constructed using the standard half cells Al3(aq)/Al(s) and Cl2(g)/cl (aq). ( E red(AL3+/Al) = -1.66 V= and E red(CI2/CI-) = 1.358 V) A). Write equation for the reactions at the anode and cathode. B). Write balanced equation for..
solution of H3PO4 and you want to completely react it with KOH. How many ml of a .462 M KOH solution do you need to accomplish this? How many grams of the two products do you produce?
The concentration of ammonium ion in the solution of the salt called ferrous ammonium sulfate
The molecular mass found by mass spectrometry is 210.06 amu. What is the molecular formula of the compound?
Calculate the standard Gibbs energy and the equilibrium constant at 298 K and 400 K for the reaction, PbO(s) + CO(g) = Pb(s) + CO2(g).
Vapor pressure measurements at several different temperatures are shown below for mercury. Determine graphically the molar heat of vaporization for mercury.
Water is added to 25.0 ml of .716 MKNO3 solution until the volume of the solution is exactly 500 ml. What is the concentration of the final solution?
magnesium undergoes a single displacement raction with hydrochlic acid. how many grams of hydrogen gas will be produced from the reaction of 3.00 g of magnesium with 4.00 g of hydrochloric acid? identify the limiting and excess reactants.
It is desired to inflate a baggie with a volume of 869 milliliters by filling it with hydrogen gas at a pressure of 0.847 atm and a temperature of 296 K. How many grams of H2 gas are needed? answer in g please
1-Complete the following reaction: Pb-210 decays by emission to form what new necleus? Write the complete nuclear equation.
Suppose 250.0 mL of 1.00 M HCl and 250.0 mL of 1.00 M NaOH, both initially at 21.0°C, are mixed in a thermos flask. When the reaction is complete, the temperature is 27.8°C. Assuming that the solutions have the same heat capacity as pure water, co..
Find the temperature at which Kp=41.0 for the reaction H2(g)+I2(g) 2HI(g). [Given: at 25 degrees C, for H2(g), deltaH degrees F=0, S degrees=131.0 J/mol*K; for I2(g)
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