Question

- 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?**

CH_{4} + O_{2} ⟶CO_{2} + H_{2}O

- Identify the
**strongest**intermolecular force present in each of the species:

a.) CH_{4}

b.) HF

c.) H

d.) CHCl_{3}

- List
**ALL of**the intermolecular forces present in the following molecules:

a.)
CH_{3}CH_{2}OH

b.)
CCl_{4}

c.)
CHF_{3}

d) HBr

- Given the following substances, list them in order of
**decreasing**boiling point:

NaCl , CH_{3}CH_{2}OH
, Ar , CHCl_{3}

- How many grams of KNO
_{3}are in a 165 g solution containing 15.3% of the solute (KNO_{3})? Show all work.

- 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.

- (a) Find the molarity for the following solution:
- g of Ca(s) in 104.8 mL of solution.

(b) How many grams of KNO_{3}
is needed to create 0.0258 L of a 2.0 M KNO_{3}
solution?

- (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?

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.

Please like the answer if you find it helpful . I did the best I could.

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