subject
Chemistry, 09.12.2020 20:30 unknown9263

A student wrote a chemical equation as shown. Fe2O3 + 3H2 → Fe + H2O
What should the student do to balance the equation?

A. Add a coefficient 2 before Fe and a 3 before H2O
B. Add a coefficient 3 before Fe and a 2 before H2O
C. Add a coefficient 4 before Fe and a 5 before H2O
D. Add a coefficient 5 before Fe and a 4 before H2O

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 10:30
Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand
Answers: 1
question
Chemistry, 22.06.2019 13:30
How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
Answers: 1
question
Chemistry, 22.06.2019 20:00
Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
Answers: 2
question
Chemistry, 22.06.2019 21:20
Which proportionality applies to avogadro’s law?
Answers: 3
You know the right answer?
A student wrote a chemical equation as shown. Fe2O3 + 3H2 → Fe + H2O
What should the student...
Questions
question
Mathematics, 05.07.2019 07:30
question
Mathematics, 05.07.2019 07:30
question
Mathematics, 05.07.2019 07:30
Questions on the website: 13722367