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Problem- How many liters of H2 would be formed at 750mm Hg and 12?C if 20.0g of zinc was allowed to react?
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Carbon-carbon single bonds in organic molecules have energies about350. kJ/mol. What is the corresponding wavelength? Could UV lamps(248 nm) be used to break these bonds?
Q1: In your gravimatric analysis experiment, you weigh the precipitate of AgCl in a filtering crucible. You have to weight your filtering crucible first (three weighing measurement), then do the filtration. After drying ...
What could a source of error be during a titration lab that is not a humans fault?
Why is (NH 4 ) 2 CrO 4 a molecular compound if ionic is metal + nonmetal and molecular is nonmetal+nonmetal? The Cr is a metal and the NH4 and O4 are non metal so it is metal+non metal but why cant it be ionic instead o ...
A 35g copper cup contains 89g of drinking water. The copper cup is placed into a cooling device consisting of an insulated container which holds 85g of water equal in temperature to the drinking water. Ammonium chloride ...
A student finds that the mass of an object is 6.62 kg. She is told that her measurement has an error of 12.3%. What is the true mass (in kg) of the object?
Does dissolved solids such as sugar and salt modify/change the boiling point of water; do mixtures have the same boiling point as pure substances?
A solution has a concentration of 10.0 m and contains 5.0 g NH3. What is the volume (in milliliters) of this solution
A metal slug weighing 16.32g is added to a flask with a volumeof 52.6 mL. it is found that, 40.2 g of methanol (d = 0.791 g/mL)must be added to the metal to fill the flask. What is the density of the metal in g/mL?
With the provided indicated equilibrium constant, Is the equilibrium mixture made up of predominately reactants, predominately products or significant amounts of both products and reactants? 2 O 3 (g) -------- 3 O 2 (g ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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