3 years ago

Why do some transition metals have multiple oxidation states?

Chemistry

1 answer:

Oxana [17]3 years ago

7 0

Answer:

Trasition metals can have multiple oxidation states because of their electrons

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it is C it splits atoms

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Suppose that 2.14 grams of H2SO4 is mixed with enough water to make 225 mL of solution. Determine the Molarity (M) of the soluti

Alik [6]

Answer:

0.0970 M

Explanation:

Remember this equation:

mol/M x V

Convert it so that you can get M.

M=mol/V

Convert the 2.14 grams of H2SO4 into mols

=0.0218

Convert mL to L

225/1000

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Plug it in.

0.0218/0.225

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3 years ago

A black compound reacts with acid to give a blue green solution. Name the compound. Write the reaction

SCORPION-xisa [38]

Answer:

compound is CuO.

Explanation:

rxn:

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3 years ago

What is difference between ionic and covalent bond.

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Answer:

The difference between an ionic and covalent bond is that an ionic bond is that an ionic bond is between a nonmetal and a nonmetal and a covalent bond between a metal and a nonmetal.

IONIC BOND:

NM-NM

COVALENT BOND:

[M+][NM-]

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3 years ago

Phosphoric acid is a triprotic acid with the follow Ka values: Ka1 = 7.2x10−3, Ka2 = 6.3x10−8, Ka3 = 4.2x10−13 Based on this inf

klasskru [66]

Answer:

Explanation:

Step 1

Phosphoric Acid is a triprotic acid where H3PO4 dissociates to H2PO4- which then further dissociates HPO42- and it then forms PO43-. Equation for acid dissociation constant for the dissociation of H3PO4 and HPO42- can be written as above.

Step 2

Concentration of H2PO4- produces during the dissociation of H3PO4 can be determined by constructing an ICE table.

Step 3

Concentration of HPO42- produces during the dissociation of H2PO4- can be determined

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