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Molecular vs Electron Geometry

Q. The molecular structure of NCl3 is a) trigonal pyramidal b) none of these c) octahedral d) trigonal planar e) bent

Solved • Feb 18, 2020

Solution Stoichiometry

Q. 10. A solution of 0.26 M mercury (II) nitrate and a solution containing an unknown concentration of aluminum chloride are mixed in a beaker. If equal volumes of both solutions are fully used up to produce 3.3 g of a precipitate, what is the minimum concentration of aluminum chloride needed to produce this result? Provide ionic and net ionic equations.

Solved • Feb 13, 2020

Solution Stoichiometry

Q. 2. Assume 27 mL of a 1.5 M magnesium chlorate solution is mixed with 14.6 mL of a 7.2 M solution of sodium carbonate. b. How much precipitate will be produced in grams?

Solved • Feb 13, 2020

Types of Chemical Reactions

Q. 2. Assume 27 mL of a 1.5 M magnesium chlorate solution is mixed with 14.6 mL of a 7.2 M solution of sodium carbonate. a. Will a reaction occur and if so, what reaction will occur?

Solved • Feb 13, 2020

Solution Stoichiometry

Q. 1. What is the total mass, in grams, of precipitate that can be produced by mixing 15 g of solid copper (II) chloride dissolved in 250. mL of solution and 280. mL of a 0.50 M silver nitrate solution?

Solved • Feb 13, 2020

Net Ionic Equations

Q. For problems 7-9, create balanced equations, state whether or not a chemical reaction occurs, and include the states of each reactant and product. If a precipitation reaction occurs, provide the ionic and net ionic equations. 9. Barium hydroxide solution is mixed with zinc (II) iodide solution to yield:

Solved • Feb 13, 2020

Molecular Orbital Theory

Q. When comparing Be2 and H2: I. Be2 is more stable because it contains both bonding and antibonding valence electron. II. H2 has a higher bond order than Be2. III. H2 is more stable because it only contains σ1s electrons. IV. H2 is more stable because it is diamagnetic, whereas Be2 is paramagnetic. A. I, II B. III only C. III only D. III, IV E. II, III

Solved • Feb 17, 2020