Question

34.76 g of methane reacts in a container with 23.4 g of oxygen and 12.3 g...

  1. 34.76 g of methane reacts in a container with 23.4 g of oxygen and 12.3 g of carbon dioxide are produced. Which reactant is limiting? What is the theoretical yield of carbon dioxide? What is the percent yield of carbon dioxide?

                       CH4 + O2 ⟶CO2 + H2O

  1. Identify the strongest intermolecular force present in each of the species:

a.) CH4      

b.) HF         

c.) H

                        d.) CHCl3

  1. List ALL of the intermolecular forces present in the following molecules:

a.) CH3CH2OH  

b.) CCl4               

c.) CHF3        

d) HBr

  1. Given the following substances, list them in order of decreasing boiling point:

NaCl , CH3CH2OH , Ar , CHCl3

  1. How many grams of KNO3 are in a 165 g solution containing 15.3% of the solute (KNO3)? Show all work.
  1. What is the mass percent of a solution by dissolving 54.6 g of solid sodium chloride into 85.4 g of water? Show all work.
  1. (a) Find the molarity for the following solution:
    1. g of Ca(s) in 104.8 mL of solution.

(b) How many grams of KNO3 is needed to create 0.0258 L of a 2.0 M KNO3 solution?

  1. (a) If you have 15.0 L of a solution with a concentration of 1.50 M, and you dilute the solution with water and now have 65.0 L of solution, what is the new concentration?

(b) What will the final volume of a solution be if you started with 12.0 L of a 1.50 M NaOH and ended with a 0.311 M NaOH solution?

Homework Answers

Answer #1

Ans 2 . Strongest intermolecular force can be seen in between HF molecule which is hydrogen bonding. Due to high electronegativity of flourine hydrogen bonding is possible.

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