Activity 1: Factors affecting the strength of intermolecular forces among molecules Refer to the pairs of substances to answer the questions that follow. a. NaCl (sodium chloride) and CHa (methane) b. CCl (carbon tetrachloride) and CHCI, (trichloromethane or chloroform) c. NH3 (ammonia) and CH3F (methyl fluoride) d. PCLS (phosphorus pentachloride) and PBrs (phosphorus pentabromide) e. CSH12 (pentane) and CSH12 (isopentane) f. F2 (Fluorine) and Br2 (Bromine) 1. Identify the intermolecular forces present in the substances in each pair. 2. Which of the forces predominates in each substance? 3. Tell which between the substances has greater intermolecular forces. 4. Predict which substance in each pair will have higher boiling and melting points.

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Answer number 3, letter d,e and f subparts

Activity 1:
Factors affecting the strength of intermolecular forces among molecules
Refer to the pairs of substances to answer the questions that follow.
a. NaCl (sodium chloride) and CHa (methane)
b. CCL4 (carbon tetrachloride) and CHC1, (trichloromethane or chloroform)
c. NH3 (ammonia) and CH3F (methyl fluoride)
d. PCLS (phosphorus pentachloride) and PBrs (phosphorus pentabromide)
e. CSH12 (pentane) and CSH12 (isopentane)
f. F2 (Fluorine) and Br2 (Bromine)
1. Identify the intermolecular forces present in the substances in each pair.
2. Which of the forces predominates in each substance?
3. Tell which between the substances has greater intermolecular forces.
4. Predict which substance in each pair will have higher boiling and
melting points.
Transcribed Image Text:Activity 1: Factors affecting the strength of intermolecular forces among molecules Refer to the pairs of substances to answer the questions that follow. a. NaCl (sodium chloride) and CHa (methane) b. CCL4 (carbon tetrachloride) and CHC1, (trichloromethane or chloroform) c. NH3 (ammonia) and CH3F (methyl fluoride) d. PCLS (phosphorus pentachloride) and PBrs (phosphorus pentabromide) e. CSH12 (pentane) and CSH12 (isopentane) f. F2 (Fluorine) and Br2 (Bromine) 1. Identify the intermolecular forces present in the substances in each pair. 2. Which of the forces predominates in each substance? 3. Tell which between the substances has greater intermolecular forces. 4. Predict which substance in each pair will have higher boiling and melting points.
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