Consider the following reaction: 3Fe(s) + 4H₂O(g) ➞ Fe₃O₄(s) + 4H₂(g). To answer the following question: "How many moles of hot water vapor (steam) must react to produce 275 g of Fe₃O₄?" How many steps will it take to get the answer? * 4 points
1
2
3
4

2

Explanation:

To calculate the moles :

According to stoichiometry :

1 mole of are produced by = 4 moles of

Thus 1.18 moles of will be produced by=  of

Mass of

Thus 85.0  g of will be required and 2 steps are required to get the answer.

what is the general relationship between a galaxy's distance from earth and its speed?

the answer is:

the farther away a galaxy is from us, the faster it is moving away from us.

you gotta add the following molecules so we can give u an answer

explanation: