Acetylene torches are used for welding, but the thermite reaction can be useful in situations in which acetylene torches are inappropriate, such as welding underwater. the thermite reaction is described by the equation below: a welder has 1.873 × 102 g fe2o3 and 94.51 g al in his welding kit. which reactant will he run out of first?

The Thermite Reaction is

The conversions are

mass to moles to moles Fe to mass Fe

=131 g Fe is obtained

mass Al to moles Al to moles Fe to mass Fe

=196 g Fe is obtained

The reactant which runs out first is called as Limiting reactant.

Less mass of the Product is obtained from the limiting reactant.

So we see here  produces less product (131g Fe) than the product produced by Al (196 g Fe)

Hence (Answer) is the Limiting reactant and it runs out first

gas

explanation:

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it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter