(a)(i) Sketch a graph to illustrate Charles' law.
(ii) A gas occupies 500 cm\(^{ 3}\) at 2TC. calculate its volume at 40°C constant pressure.
(b) List two gases that are used as refrigerant
(a)(i)
(ii) \(\frac{v}{T} = \frac{v}{T}\)
\(\frac{500}{300} = \frac{v}{313}\)
\(v_2 = \frac{500 \times 313}{300}\)
\(v_2 = \frac{500 \times 313}{300}\)
\(v_2 = 522cm^3\)
(b) Two gases that are used as refriger are;
(i) Ammonia (NH\(_3\)) and
(ii) Carbon dioxide (CO\(_2\))
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