Carbon dioxide and methane as greenhouse gases

EasyMedium
1234567891011
Question 4
Medium

Methane is a potent greenhouse gas released from agricultural activities and decomposing waste.

a.

Explain how greenhouse gases maintain temperatures on Earth that support life, making reference to short-wavelength and long-wavelength radiation.

[2]
b.

The average percentage by mass of methane in a sample of air collected above a landfill is 0.12%. Calculate the mass of methane in 450 kg of this air. Give your answer in grams.

[2]

Carbon dioxide and methane as greenhouse gases Questions

  1. GCSE
  2. /Chemistry
  3. /Carbon dioxide and methane as greenhouse gases