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3 years ago

Why are the tectonic plates moving? SUBJECT IS ACTUALLY SCIENCE

1 answer:

5 0

Tectonic plates are moving is because of the molten lava below the plates are making or forcing the plates to move which causes huge water waves calls tsunami or it could also cause earthquake

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Assign oxidation numbers to the element in each of the following compounds. Remember an oxidation number is for one atom of the

worty [1.4K]

Answer:

a. x = + 2

b. x = + 3

c. x = + 2

d. x = + 3

Explanation:

The oxidation number is a formal charge assigned to an atom present in a molecule or formula unit or ion based on some arbitrary rules.

HgO

The oxidation number of Hg in HgO is:

x + (-2) = 0

x = +2

Al₄C₃

The oxidation number of Al in Al₄C₃ is:

4x +(3 × -4) = 0

4x - 12 = 0

4x = +12

x = 12/4

x = +3

c. CrF₂

x + ( 2 × - 1) = 0

x - 2 = 0

x = + 2

d. Fe₂S₃

2x + ( 3 × - 2) = 0

2x + (-6) = 0

2x = 6

x = 6/2

x = +3

7 0

3 years ago

Which compounds can be made with the reaction benzene via electrophilic aromatic substitution using isopropyl chloride and AlCl3

Hitman42 [59]

Answer:

isopropyl benzene (cumene)

Explanation:

The reaction of isopropyl chloride and AlCl3 and benzene belongs to the class of organic reactions known as the Friedel Kraft alkylation.

The mechanism of the reaction involves the formation of a tetrahedral complex [AlCl4]^-.

The electrophile now is the isopropyl group which attacks the benzene to yield the product.

4 0

2 years ago

Rocks formed by changes in heat and pressure or the presence of hot, watery fluids

Irina18 [472]

If you're looking for "what rocks are formed by changes..." it's Igneous Rocks.

3 0

3 years ago

Read 2 more answers

Boiling and melting points exploration

juin [17]

Answer:

Boiling- 212° F melting- 32°F

Explanation:

6 0

3 years ago

Bromination occurs on alkene functional groups, but NOT on alkenes found within aromatic functional group, such as the phenyl ri

liq [111]

Answer:

When cinnamic acid react with bromine ,addition reaction rapidly occur on alkene functional group to form dibromo product

Explanation:

Phenyl ring is an aromatic hydrocarbon ,when aromatic hydrocarbons react with Cl2,Br2 or KMnO4 no reaction occur ,where as unsaturated hydrocarbon like alkene react .Aromatic hydrocarbon with these reagents undenr different conditions undergoes subtituition reaction.They react with bromine in presence of lewis acid catalyst ferric bromide.

8 0

3 years ago