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SIZIF [17.4K]
3 years ago
9

Which statement is true?

Chemistry
1 answer:
uysha [10]3 years ago
8 0

Answer:

hii

Explanation:

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How many atoms are in 26.8 g Fe
Tatiana [17]

Answer:

2.881x10^23 atoms

Explanation:

From the studies of Avogadro's hypothesis, we discovered that 1mole of any substance contains 6.02x10^23 atoms.

Therefore 1mole of Fe contains 6.02x10^23 atoms.

Molar Mass of Fe = 56g/mol

56g of Fe contains 6.02x10^23 atoms.

Therefore, 26.8g of Fe will contain = (26.8x6.02x10^23) / 56 = 2.881x10^23 atoms

6 0
3 years ago
Name and describe one carrier opportunity for someone interested in taxonomy​
weeeeeb [17]

Answer: One carrier interested in taxonomy is a veterinarian

Explanation:

Veterinarians as said, are interested in taxonomy. They are interested with animal organisms of all types with all species of animals. Hope this helps. Let me know if you need anything else.

5 0
2 years ago
Observations After Interaction Steel Wool + Oxygen
stepan [7]

Answer:

By placing the steel wool in a jar with plenty of oxygen and water, you start a chemical reaction. The iron and the oxygen react to form a new reddish-brown substance, called iron oxide or rust. In this experiment, the water level in the glass should rise as the oxygen inside combines with the iron in the steel wool.

Explanation:

4 0
3 years ago
Read 2 more answers
All of the covalent carbon-carbon bonds in unsaturated hydrocarbons share 2 pairs of electrons.
Evgen [1.6K]

False. carbon-carbon bonds that share 2 pairs of electrons are double bonds. An unsaturated hydrocarbon isnt necessary to only have double bonds. they can also have single bonds or triple bonds.

5 0
3 years ago
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What is the balanced equation for CaCO3(s) > CaO(s) + CO2(g
vlada-n [284]
Balanced equation :

1 CaCO3(s) = 1 CaO(s) + 1 CO2(g)

hope this helps!

3 0
3 years ago
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