When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon dioxide is produced. What mass...

When 5g of calcium is burnt in 2g of oxygen, then 7 g of calcium oxide of produced. What mass of calcium oxide will be produced when 5g of calcium is burnt in 20 g of oxygen ? Which law of chemical combination will govern your answer ?

Four different experiments were conducted in the following ways: I. 3 g of carbon was burnt in 8 g of oxygen to give 11 g of CO_2 . 1.2 g of carbon was burnt in air to give 4.2 g of CO_2 . III. 4.5 g of carbon was burnt in enough air to give 11 g of CO_2 IV. 4 g of carbon was burnt in oxygen to form 30.3 g of CO_2 . Law of constant proportions is not illustrated in experiment(s)

Calculate the mass of carbon present in 2 g of carbon dioxide.

The circulation of blood in the human body supplied oxygen and removes carbon dioxide. The concentration of oxygen and carbon dioxide is variable but on an average 100 ml of blood contains 0.02 g of oxygen and 0.08 g of carbon dioxide. Calculate the volume of oxygen and carbon dioxide at 1 atm and body temperature (37^(@)C) assuming that there are 10 litres of blood in the human body.

Calculate the amount of carbon dioxide that could be produced when a. 1 mol of carbon is burnt in air b. 1 moles of carbon is brunt in 16 g of dioxygen. 2 moles of carbon are burnt in 16 g of dioxygen.

Sodium carbonate reacts with ethanoic acid to form sodium ethanote, carbon dioxide and water. In an experiment, 5.3g of sodium carbonate reacted with 6 g of ethanoic acid to form 8.2 g of sodium ethanoate, 2.2 g of carbon dioxide and 0.9 g of water. Show that this data verifies the law of conservation of mass.