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What is the maximum mass of CuS which can be formed when 38.0 mL of 0.500 M CuCl2 are mixed with 42.0 mL of 0.600 M (NH4)2S? Aqueous ammonium chloride is the other product.
69.7 grams of a solute with a molecular mass of 2790 grams are dissolved in enough water to make 1.00 dm(3) of solution at 20 degrees C. What is the osmotic pressure of the solution? express your answer in kPa
Perkin and related reactions, There are numerous condensations that are closely related to the Perkin reaction
in one experiment .886 mole of NO is mixed with .503 mole of O2. calculate which of the two reactants is the limiting reagent . calculate also the number of moles NO2 produced
A solution is prepared by adding 5.00 grams of an unkown compound to 217 g of cyclohexane (C6H12). This solution freezes at 4.5 degree C.
Determine how much heat is evolved or absorbed when 40.0 of lithium iodide completely dissolves in water.
30.0 mL of water at 24.5 °C was mixed with 40.0 mL of water at 40.0 °C. If the specific heat of water is 4.184 J/g °C and no heat was absorbed by the calorimeter, then the final temperature is _____ °C. (Report to the proper number of significant ..
If 0.327 moles of H2S effuses in 462 seconds, how many seconds would it take for the same number of moles of CH3Cl to effuse?
Check out the structure and pertinent physical properties of THF versus diethyl ether. What necessitated the use of THF?
An Indy race car can travel 111 m/s. What is the speed of the car in miles per hour? (Given: 1 mi = 1.61 km, and 1 h = 3600 s)
if 7.0 moles of sulfur atoms and 10 moles of oxygen molecules are combined to form the maximum amount of sulfur trioxide, how many moles of which reactant remain unused at the end?
Draw Lewis dot structure and predict molecular geometry - Show the Lewis structures of the following molecules and then predict their geometry.
Consider an unknown that is approximately 50.% KHP. What mass of the unknown would be required to react with 40. mL of 0.10 M NaOH?
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