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IgorC [24]
3 years ago
8

Can someone please solve these two for me. I will give brainiest if it’s the accurate answer

Chemistry
1 answer:
Liono4ka [1.6K]3 years ago
6 0

Answer:

the iron alone was dark brown and rectangular, whereas the iron-sulfur combination was a dark gray powder.

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Which of the following coefficients are needed to balance the combustion reaction of ethanol?
djyliett [7]
Answer is: d. 3,2,3.

Balanced chemical reaction: CH₃CH₂OH + 3O₂ → 2CO₂ + 3H₂O.
CH₃CH₂OH is ethanol.
O₂ is molecule of oxygen.
CO₂ is carbon(IV) oxide.
H₂O is water.
There are same number of atoms (oxygen, carbon and hydrogen) on both side of balanced chemical reaction:
2 atoms of carbon.
6 atoms of hydrogen.
7 atoms of oxygen.



5 0
3 years ago
Which of these substances are most likely crystalline solids? Select all that apply.
Lostsunrise [7]

Answer:

you did not show the options

Explanation:

8 0
3 years ago
Read 2 more answers
In the following reaction, which compounds are considered acids ? NH3+H2O <—>NH4+OH
professor190 [17]

Explanation:

no compound there is considered an acid because this isn't a neutralization reaction ie between an acid and a base ,it didn't even form a salt

7 0
3 years ago
Please answer 11 to 13 to receive 10 Brainly points. Please read the bullet points to under the questions. And check the molecul
Anika [276]

Answer:

11 yes

12 H2O( water molecules)

13 3H2O( water molecules)

Explanation:

Sry, my phone's a potato, so I didn't read it properly, so I'm not sure about the question 11.

11-yes, they stay together, but they release 3 molecules of OH an H.

12- here it talks about what will happen with OH and H: they will be H2O (water molecules).

13- and here we end it with the informations that we got: 3 fatty acids+ glycerol---> fat+ 3H2O( the 3 H and 3 OH)

6 0
3 years ago
How many number of atoms does these have?
Olin [163]

Answer:

Explanation:

16. 12

17. 8

18. 9

19. 10

20. 5

21. 15

22.8

23. 24

24. 12

25. 3 i guess( some one comment for 25th pls)

26. 2

3 0
3 years ago
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