subject
Physics, 18.03.2021 02:30 mcadoo6634

(HELP QUICK JSJJKDSDSDJKSD) Using the correct set of coefficients needed to balance the chemical equation in the previous problem:

___ Fe2O3 + ___ Al → ___ Fe + ___ Al2O3

How many grams of aluminum will be needed to react in order to form 15.0 g iron?

Group of answer choices

2.57 g

7.25 g

2.75 g

5.27 g

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 18:00
This question is worth 54 points ! rock falls from a ledge to the ground what energy conversion occurs during this process a potential to kinetic b kinetic to potential c thermal to mechanical d chemical to mechanical
Answers: 2
question
Physics, 22.06.2019 01:10
Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
Answers: 1
question
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
question
Physics, 22.06.2019 15:10
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
You know the right answer?
(HELP QUICK JSJJKDSDSDJKSD) Using the correct set of coefficients needed to balance the chemical eq...
Questions
question
Mathematics, 03.07.2019 20:00
Questions on the website: 13722363