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In an experiment 2.830 g of magnesium is reacted with 2.776 g of oxygen gas according to the equation: Mg + O2 ==> MgO.
A. What is the limiting reactant?
B. What mass of the other reactant is in exess?
C. What mass of MgO is produced?
What difference would you expect to see between the ionizaition energy of element 115 and that of element 116? Which IE would be larger? Explain in terms of expected electron configurations.
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To what energy level was the electron initially excited. (b) What is the net energy absorbed or emitted by the atom (in units of eV) in the overall process
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Write three orbital designations that would be incorrect and explain why each is incorrect. For example, 1p would be an incorrect orbital designation because there is no p sub-shell in the first orbit.
The chlorinator feed rate is 4.0 mg/L and the free chlorine residual is 1.5 mg/L. (a) What is the chlorine demand (mg/L)? (b) How many kg of chlorine must be fed to the plant on a daily basis?
How do you break HClO4 down showing it as an acid according to archenius definition
What is the reaction order with respect to each reagent for the following reaction? Then write the rate law equation.
How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal? 2 Mg + O2 yields 2 MgO
How much heat (in kJ) is evolved in converting 1.00 mol of steam at 130.0 degrees C to ice at -55.0 degrees C? The heat capacity of steam is 2.01J/g and of ice is 2.09j/g.
Which sequence of reactions would you use to synthesize 2-cyanohexane (racemic mixture) using 1-hexene as your starting material? options: a) Reaction with (1) H2SO4 (cat.)
What is the concentration of the sodium ion (in M) in a solution of 0.681 M sodium chloride
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