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
harina [27]
3 years ago
9

Why the mass of a rusted nail is greater then the nail before it rusted?

Chemistry
1 answer:
kifflom [539]3 years ago
6 0
This is the reaction formula,
4Fe+3O2=2Fe2O3
<span>3Fe+202=Fe3O4
it has o</span>xygen atom after it's rusted
You might be interested in
Which of these is an example of food engineering?
Andrej [43]

Answer:

a.labeling food with an ingredient list to inform consumers

Explanation:

3 0
3 years ago
Read 2 more answers
What is the percent composition by mass of nitrogen in NH4OH?
Juliette [100K]
 <span>the atomic mass of nitrogen is 14. There is 1 nitrogen atom in the molecule so the percentage of N is :

14/35 x100% = 40%</span>
8 0
3 years ago
nadira is using her laptop for about 6 hours straight,yet her laptops barley hot or warm. Does her laptop have high or low speci
makkiz [27]

Her computer will start to heat up, and the temp. would be 60 degrees celcius.

I hope this helps you ᕕ( ᐛ )ᕗ

8 0
3 years ago
How many elements have been discovered?<br> A. 110 <br> B. less than 110 <br> C. more than 110
riadik2000 [5.3K]
There are 115 known elements as of today (Feb. 13, 2016)

so, 'C' is the correct answer
8 0
3 years ago
Read 2 more answers
What is an example of land features formed from constructive forces?
elena-14-01-66 [18.8K]

It’s C.valley formed from water erosion

7 0
3 years ago
Other questions:
  • Which direction does the red end of the needle of a compass point?
    10·1 answer
  • So3 +H2so4----H2s2o7????? How??
    9·1 answer
  • A flexible container at an initial volume of 6.13 L contains 6.51 mol of gas. More gas is then added to the container until it r
    5·1 answer
  • What is the atomic number of an element that has seven protons and eight neutrons and seven electrons?
    9·2 answers
  • Why is it important to classify living organisms? The DNA of organisms may be more easily analyzed. Organisms may survive longer
    11·2 answers
  • With the given chemical compounds, what is the balanced chemical equation when lit with fire?
    12·1 answer
  • An electrically neutral atom consists of 15 neutrons, 13 electrons, and a number
    6·1 answer
  • Need help I don’t understand this at all need to show my work and strategy it’s stoichiometry gram to gram please help
    10·1 answer
  • What is the percent composition of phosphoric acid (H3PO4)
    5·1 answer
  • 6. A hot potato is sitting out on the counter. After 3 hours, you pick up the 5 points
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!