Question

Under certain conditions the reaction between methane CH_4 and oxygen O_2 may lead to the formation of carbon monoxide CO and hydrogen H_2. How many grams of H_2 are produced when 200 g of CH_4 are mixed with 100 g of O_2

Answer 1

Without a specific balanced chemical equation for the reaction of methane with oxygen, which produces carbon monoxide and hydrogen, we cannot accurately determine the grams of hydrogen produced from 200 g of methane and 100 g of oxygen.

Step-by-step explanation:

The question relates to a chemical reaction in which methane (CH4) reacts with oxygen (O2) under certain conditions to form carbon monoxide (CO) and hydrogen (H2). However, the student is likely confused because the provided reactions do not specifically show methane reacting with oxygen to form exclusively CO and H2; instead, they show the combustion reaction forming CO2 and H2O or other substances.

For the case where CO and H2 are produced, we can consider a reaction such as: 2CH4 + 3O2 → 2CO + 4H2O.

Nevertheless, to determine the amount of hydrogen produced, we need to use the molar masses to convert grams to moles, employ stoichiometry based on a balanced chemical reaction, and then convert moles back to grams.

The molar masses are approximately 16 g/mol for CH4, 32 g/mol for O2, and 2 g/mol for H2.

Since the exact balanced equation is not given, we cannot provide a specific answer.

Answer 2

To find the mass of H2 produced, we need to calculate the moles of CH4 and O2 used in the reaction, and then use the mole ratios from the balanced equation to find the moles of H2 produced.

Step-by-step explanation:

The balanced equation for the reaction between methane (CH4) and oxygen (O2) to produce carbon monoxide (CO) and hydrogen (H2) is:

2CH4 + 3O2 → 2CO + 4H2O

To find the mass of H2 produced, we need to first calculate the moles of CH4 and O2 used in the reaction, and then use the mole ratios from the balanced equation to find the moles of H2 produced.

Step 1: Calculate the moles of CH4 and O2:

1. Moles of CH4 = mass of CH4 / molar mass of CH4
2. Moles of O2 = mass of O2 / molar mass of O2

Step 2: Use the mole ratios from the balanced equation to find the moles of H2 produced.

Moles of H2 = (moles of CH4 x 4) / 2

Step 3: Convert moles of H2 to grams:

Mass of H2 = moles of H2 x molar mass of H2

Calculate the above steps to find the mass of H2 produced.