Question

An automobile gasoline tank holds 46 kg of gasoline. When the gasoline burns, 161 kg of oxygen is consumed and carbon dioxide and water are produced.

What is the total combined mass of carbon dioxide and water that is produced?

Answer 1

The total combined mass of carbon dioxide and water produced from burning 46 kg of gasoline with 161 kg of oxygen is 207 kg, adhering to the law of conservation of mass.

Step-by-step explanation:

The question asks us to determine the total combined mass of carbon dioxide and water produced when gasoline is burned in the presence of oxygen. The conservation of mass, also known as the law of conservation of matter, tells us that matter is neither created nor destroyed in a chemical reaction. Therefore, the mass of the products must equal the mass of the reactants.

Given:

Mass of gasoline (C8H18) = 46 kg

Mass of O2 consumed = 161 kg

The combustion reaction of gasoline can be represented by the equation:

2 C8H18(l) + 25 O2(g) → 16 CO2(g) + 18 H2O(l)

To find the total mass of the products (carbon dioxide and water), we just add the mass of the reactants:

Mass of products = Mass of gasoline + Mass of oxygen consumed

Mass of products = 46 kg + 161 kg = 207 kg

Therefore, the total combined mass of carbon dioxide and water produced is 207 kg.

Answer 2

The mass of products is 207kg

Step-by-step explanation:

To solve this question we can do mass balance assuming the engine that contains the gasoline produce only carbon dioxide and water, that is:

Mass of reactants = Mass of products

Where mass of reactants is mass of gasoline + Mass oxygen = 207kg

That means the combined mass of products is 207kg