1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Travka [436]
3 years ago
11

9 How many grams of O₂ are needed to produce 15.5 g Fe₂O3 in the following reaction? Fe(s) + O₂(g) → Fe₂O3 (s)​

Chemistry
1 answer:
Slav-nsk [51]3 years ago
8 0

Answer:

Explanation:

so u can work out the amount of moles in FeO3 by doing mr of fe3o3 is 55.8*3+16*3=215.4

moles= mass/mr so you do 15.5g/215.4=0.0719 moles

then using 1 to 1 ratio so O2 moles is 0.0719

then use the equation mass=mole*mr

so 0.0719*16=1.15g

hope this make sense :)

You might be interested in
The ______ parts of organisms are most likely to become fossils.
jek_recluse [69]
The hard parts of an organism, such as shells and bones.
5 0
4 years ago
Read 2 more answers
Can u help?? It's science and I'm in 6th grade
matrenka [14]
Yes I can help you in science
7 0
3 years ago
When cooking frozen cheese ravioli, the directions say to put the 255 grams of filled pasta into 3 quarts of boiling water. why
kondaur [170]
<span>When cooking frozen cheese ravioli, you should use three quarts of water instead of one so that the raviolis have room to move around in the boiling water and so that while they are moving around, they will not stick to each other or the pan.</span>
8 0
3 years ago
What structure what structural feature of cells can allow molecules to flow directly from the inside of one cell to the inside o
Rufina [12.5K]
The answer is A. Plasmodesmata. It's a narrow pathway between cells.
3 0
3 years ago
When dynamic equilibrium is achieved, the rate of the forward and backward reactions go to zero. (T&amp;F)
ratelena [41]

Answer:

1) False

2) there are equal amounts of rectants and products

Explanation:

1)  When dynamic equilibrium is achieved. the rate of forward and backward reaction they are the same, that is to say, two opposite reactions occur at the same rate, keeping the concentrations constant over time.  Different to say the rate of the ractions go to zero.

2)  A chemical equilibium exists when what is produce in quantities is equal to what reacts.

So the correct answer is the literal (d).

5 0
3 years ago
Other questions:
  • The mass of metal strip #1 was 4.6 g. What is the density of metal strip #1<br> in g/mL?
    13·1 answer
  • Which of these is not true of Bohr's model of the atom ?
    11·2 answers
  • What happens to the air temperature of a decending mass of air
    10·1 answer
  • Help asap<br> 25.0 g Na =____ atoms Na
    14·1 answer
  • Which organism is in Kingdom Protista?<br><br> A. bacteria<br> B. virus<br> C. fungi <br> D. seaweed
    8·2 answers
  • The closest star, Proxima Centauri, is 40,208,000,000,000,000 m away from us. How old is the light that we see from the star?
    5·1 answer
  • Is c6h8 molecular or empirical
    15·1 answer
  • What is the "mass number"? What does the mass number tell you?
    5·1 answer
  • What scientist said we cannot predict an exact position of<br> atoms.
    12·1 answer
  • BRAINLIEST TO FIRST RIGHT ANSWER
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!