2 years ago

4Fe + 3O2 → 2Fe2O3

Chemistry

2 answers:

Black_prince [1.1K]2 years ago

7 0

n(2Fe2O3)=10g/319.374amu=0.03mol

n(4Fe+3O2)=0.03 mol

m(4Fe+2O2)=Mn=319.374×0.03=9.58=10

Gnoma [55]2 years ago

6 0

Answer:

b) 10 g

Explanation:

Hi, the answer in simply: during a chemical reaction (that doesn't involve nuclear processes) the total mass involved is constant.

The total mass of the reactants equals the total mass of the products, althought the number of molecules may vary.

You might be interested in

If there was a high pressure system in your area and a bunch of clouds were blown in from a different direction, how would the p

Ilia_Sergeevich [38]

Idk but I had to “answer a q”

3 0

3 years ago

If n is the energy level, the number of electrons in that energy level is

attashe74 [19]

Answer:

I needed some free points that's why I am doing so

3 0

2 years ago

Oxygen and hydrogen form the polyatomic hydroxide ion. What is its charge?

prohojiy [21]

Answer:

negative

the chage on hydroxide ions os negative

4 0

2 years ago

Read 2 more answers

Which of the following combinations will result in a reaction that is spontaneous at all temperatures?

Katen [24]

Answer:

$\huge\boxed{Option \ 2}$

Explanation:

A reaction is spontaneous at all temperatures by the following combinations:

=> A negative enthalpy change ( $\triangle H < 0$ )

=> A positive entropy change ( $\triangle S > 0$ )

See the attached file for more better understanding!

8 0

2 years ago

Read 2 more answers

how many electrons occupy the pz atomic orbital in Hg? the answer is 10 and it is right but i do not understand why.

MariettaO [177]

Im no sure what it is i just love helping little boys out. at this age it gives me a thrill.

7 0

2 years ago