In order to covert temperature from Kelvin to Celsius scale, we have to subtract 273 from the given value because K - 273 = °C
(a) 293 K - 273 = 20°C
(b) 470K - 273 = 197°C
When 3.0g of carbon is burnt in 8.00g oxygen, 11.00g of carbon dioxide is produced. What mass of carbon dioxide will be formed when 3.00g of carbon is burnt in 50.0g of oxygen? Which law of chemical combination will govern your answer?