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makkiz [27]
3 years ago
5

i need to know like now. what is a pure substance that contains atoms of more than one element called?

Chemistry
1 answer:
Galina-37 [17]3 years ago
7 0

Answer:

A compound

Explanation:

A compound is a pure substance that contains atoms of more than one element.

For example, water is a compound.  

It is pure because it consists only of water molecules, and each molecule contains atoms of the elements hydrogen and oxygen.

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Label each element in the chemical reaction below with the correct oxidation state
natka813 [3]

Answer:

N = -3

H = +1

O = -2

Cl = +1

Explanation:

The balanced Equation of the reaction above is:

NH3 + 3HOCl ----> NCl3 + 3H2O

Where NH3 is ammonia;

HOCl is Oxochlorate (I) acid

NCl3 is nitrogen trichloride

H2O is water

Nitrogen in both Ammonia and Nitrogen trichloride has an oxidation state of -3. It shares three electrons with each of the three atoms of hydrogen and chlorine

Hydrogen in both Oxochlorate (I) acid and in water has an oxidation state of +1. Each atom shares an election with oxyen in both compounds.

Oxygen in both Oxochlorate (I) acid and water has an oxidation state of -2. Each atom shares two electrons with neighboring atoms; in HOCl, it shares with chlorine and hydrogen, while in H2O, it shares with two atoms of hydrogen.

Chlorine in both Oxochlorate (i) acid and Nitrogen trichloride has an oxidation state of +1. It shares an electron with each of it's neighboring bonded atoms.

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3 years ago
Which of the following is true about covalent bonding?
zhenek [66]

Answer:

Electrons are shared in pairs!

Explanation:

I'm doing learning about  Covalent Bonding too:)  

7 0
3 years ago
Explain how are you able to drink liquid through a straw
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Answer:

the suction pulls out the air in the straw and the liquid comes up with the suction.

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Measurements show that the energy of a mixture of gaseous reactants increases by during a certain chemical reaction, which is ca
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<h2>Endothermic and Exothermic</h2>

Explanation:

  • An exothermic response discharges heat and endothermic absorbs to heat
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  • In the product that the items side has a bigger enthalpy, the reaction is endothermic
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A higher than normal high tide is called
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