answersLogoWhite

0


Best Answer

28.76 g of O2

Write the complete combustion reaction and balance

C3H8 + 5O2 yields 3CO2 + 4H2O

set up ratio based on molar masses (stat organized)

44g = 160g

X 7.91g

Solve for X

I have found this method easier for students (gen. chem) as compared to dimensional analysis

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What mass of O2 is required for the complete combustion of 7.91 g of C3H8 to CO2 and H2O?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

what is the mass in grams of oxygen, is needed to complete combustion of 6 L of methane?

what is the mass in grams of oxygen, is needed to complete combustion of 6 L of methane?


What mass of carbon dioxide is formed by the complete combustion of 805g of methanol?

The mass of CO2 is 1 105 g.


What mass of carbon dioxide is produced by the complete combustion of 5.50 grams of hexane?

16.9


What mass of carbon dioxide is produced from the complete combustion of 8.80103g of methane?

The answer is 24,15 g.


Calculate the mass in grams of CO2 produced when 320grams of natural gas CH4 undergo complete combustion?

The mass of carbon dioxide is 878 g.


How to write the combustion equation for benzene step by step?

CO2 + Ca(OH)2 write a balanced equation for the combustion of benzene (C6H6)and find the mass of CO2 produced from the complete combustion of 25g benzene


What is the mass in grams of H20 produced when propane is burned?

Let's see. C3H8 + 5O2 -> 3CO2 + 4H2O For every one molecule of propane burned there is four molecules of water produced. Or, this is the actuality. 1 molecule propane (1 mole C3H8/6.022 X 1023)(4 mole H2O/ 1mole C3O8) = 6.64 X 10 -24 molecules water


How many grams carbon dioxide is made when 42 grams of propane is burned with 115 grams of oxygen how many grams of water is made?

First you need to write a balanced equation. You are given that propane undergoes a combustion reaction that produces carbon dioxide and water.Unbalanced: C3H8 + O2 ---> CO2 + H2OBalanced: C3H8 + 5O2 ---> 3CO2 + 4H2OGivens:42.0 grams C3H8 (Molecular mass 44.0 g)115.0 grams O2 (Molecular mass 32.0 g)Molecular mass of CO2: 44.0 gMole ratio 1:5:3:4 (C3H8:O2:CO2:H2O)Then you need to find which of the reactants are the limiting reactant (lowest value) and which is the excess reactant. The limiting reactant is what you will base the rest of the problem on. To do this, you convert each measurement to moles from grams.42.0 g C3H8 / (44.0 g) = .955 moles C3H8 115.0 g


How many molecules of oxygen are needed for the incomplete combustion of one molecule of methane?

Oxygen is NOT a PRODUCT (it is not produced) from the complete combustion of methane, it is a REACTANT (it is used in the reaction). The answer is therefore a mass of zero.


Example of law of conservation of matter?

The best example of the law of conservation of matter is complete combustion. If you were to burn something of known mass in a closed system, the system would have the same mass before and after combustion occurs.


What is the energy per unit mass required to complete a phase change called?

density


What is heavier carbon dioxiode or propane?

Carbon dioxide is CO2 and has a molar mass of 44g whereas propane is C3H8 and has a molar mass of 44g as well. Therefore, both are of equal mass