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Question 22M.2.SL.TZ2.3b.i

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Date May 2022 Marks available [Maximum mark: 2] Reference code 22M.2.SL.TZ2.3b.i
Level SL Paper 2 Time zone TZ2
Command term Distinguish Question number b.i Adapted from N/A
b.i.
[Maximum mark: 2]
22M.2.SL.TZ2.3b.i

Methane can be the product of anaerobic respiration in some organisms.

(b.i)

Distinguish between the thermal properties of water and methane.

[2]

Markscheme
  1. water has higher boiling/melting point;
  2. water has a higher specific heat capacity;
  3. water has a higher latent heat of vaporization;
  4. differences due to water having many H-bonds/polarity between the molecules while methane has no H-bonds/polarity;

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