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Chemistry
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Methanol fuel cells use the following reaction. How many electrons are transferred in this redox reaction as written?

2CH3OH + 3O2 → 2CO2 + 3H2O

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Related questions

Certain race cars use methanol(CH3OH; also called wood alcohol) as a fuel. Methanolhas a molecular mass of 32.0 g/mol and a density of 0.79 g/mL. Thecombustion of methanol occurs according to the followingequation:


2CH3OH + 3O2 %u2192 2CO2+ 4H2O


In a particular reaction 2.00 L of methanol are reacted with 80.0kg of oxygen.

a. What is thelimiting reactant?

b. What reactant andhow many grams of it are left over?

c. How manygrams of carbon dioxide is produced?

9. Certain race cars use methanol (CH3OH; also called wood alcohol) as a fuel. Methanol has a molecular mass of 32.0 g/mol and a density of 0.79 g/mL. The combustion of methanol occurs according to the following equation:

2CH3OH + 3O2 ? 2CO2 + 4H2O

In a particular reaction 2.00 L of methanol are reacted with 80.0 kg of oxygen.

a. What is the limiting reactant?

b. What reactant and how many grams of it are left over?

c. How many grams of carbon dioxide is produced?

NOTE: Please answer the (a,b,c) under its each draft.

a fuel cell works on the same principle as a battery but iscontinually fed with fuel. In one fuel cell, methanol enters on oneside of the unit, and air enters on the other side both circulatepast electrodes, and a chemical reaction occurs that produceselectricity plus carbon dioxide and water as byproducts. Whichchemical reaction equation best represents the reaction that occursin this fuel cell?
a. CH3OH+O2 -->CO2+H2O
b. CH3OH-->CO2+H2O
c. CH3OH-->CH3+OH
d. CH3OH-->CH2+H2O
e. 2CH3OH+3O2-->2CO2+4H2O

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