# Chemistry

Given this equation. C3H8 + 5O2 -> CO2 + H2O.

How many moles of O2 will be needed to comepletely burn 1.75 moles of propane C3H8?

1. 0
2. 0
3. 16
1. First, balance the equation.
C3H8 + 5O2 -> 3CO2 +4H2O.

Use the coefficients to convert mols propane to mols O2 this way.
1.75 mols C3H8 x (5 mols O2/1 mol C3H8) = 1.75 x 5/1 = ?

1. 0
2. 0
posted by DrBob222

## Similar Questions

1. ### Chemistry

Consider the burning of LPG (propane C3H8)which produces carbon dioxide (CO2) and water vapor (H2O). The balanced chemical equation involving the reaction is C3H8+5O2= 3CO2+4H2O Suppose 1.5 moles of C3H8 will be used, assume the

asked by Tsunayoshi on February 10, 2014
2. ### Chemistry

Given the equation C3H8+5O2->3CO2+4H2O. 1.)Suppose 1.5 moles of C3H8 will be used, How many moles of H2O and CO2 will be formed? 2.)what volumes (at STP) of O2 and CO2 are involved?

asked by Chemistry on August 25, 2017
3. ### chemistry

How many moles of CO2 would be made if you have 8 moles of C3H8? C3H8 + 5O2 → 3CO2 +4 H2O

asked by g on July 14, 2011
4. ### chemistry

for the reaction: c3h8+5o2=3co2 +4h2o how many moles of o2 will be produced in the complete combustion of 0.75 moles of c3h8? I think the ans is 2.25 moles of co2, but i am not sure because i still don't think I understand this

asked by Lillian on October 23, 2010
5. ### chemistry

In a combustion reaction, propane (C3H8) reacts with oxygen. How many moles of CO2 can be produced when 2.25 mol of C3H8 react? C3H8(g) + 5O2(g) -„³ƒn3CO2(g) + 4H2O(g)

asked by kita on January 20, 2014

For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 3.60 grams of H2O? I think the ans is 0.05 moles c3h8

asked by Lillian on October 26, 2010
7. ### chemistry

how many moles of CO2 are produced from 2.90 moles of C3H8? C3H8 + 5O2 yields 3CO2 +4H2O

asked by Missy on September 15, 2010
8. ### Chemistry: stoich

4. Suppose that an excess of propane, C3H8 , burns in 320 g of oxygen, How many moles of water will be formed? C3H8 + 5 O2 --> 3 CO2 + 4 H2O (1 point) 6.02 E 23 moles 1600 moles 4.0 moles 8.0 moles

asked by Hannah on February 16, 2016
9. ### Chem

The combustion of propane (C3H8) produces CO2 and H2O: C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g) The reaction of 3.5 mol of O2 will produce ________ mol of H2O.

asked by Agum on February 18, 2017
10. ### chemistry

Help!! Can someone please show me how to set up this problem. I'm lost. C3H8+5O2-->3CO2+4H20 If 19.2g of C3H8 and 19.2g O2 react, how many moles of CO2 can be produced?

asked by josh on November 5, 2010

More Similar Questions