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Question- What would be the limiting reagent if 78 grams of Na2O2 were reacted with 29.4 grams of H2O?
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What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
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The nitrate ion reaction is positive. In this case, is it accurate to state that nitrate ion was present in the original solution? Brie?y explain, referencing specific chemical reactions to support your explanation.
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To an insulated container with 100.0 g H20 (l) at 20.0 C, 175 g steam at 100 C and 1650 g of ice at 0.0 C are added. A) What mass of ice remains unmelted after equilibrium is established
Phosphoric acid is a weak triprotic acid with the formula H3PO4. If you have 50.0 mL of a 1.0 M solution of H3PO4, how many grams of NaOH (MM = 40.0g/mol) should you add to make a buffer with a pH of 7.00?
occurring at 800 K and 1atm. The initial mixture contains 1 mol of SO2 and 0.5 mol of O2. The reaction mixture can be considered to be an ideal gas.
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A system absorbs 192 kj of heat and the surroundings do 110 kj of work on the system. what is the change in internal energy of the system.
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The rate constant for the reaction 2A ? 2B + C is 1.72 M -1min-1. Find the time, in seconds, needed to decrease the concentration of A from2.45 M to 1.22 M.
calculate the number of NaCl formula units formed when 176 Na atoms and 98 Cl2 molecules react?
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