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natta225 [31]
4 years ago
13

Please help with this question... It's six marks to could you put six marks....

Chemistry
1 answer:
professor190 [17]4 years ago
3 0
Can you take a better pic cant see the questions
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This chemical equation represents a chemical reaction. 2HNO3+Na2SO3-2NaNO3+H2O+SO2
muminat

Answer:

D. Na₂SO₃

Explanation:

The given equation is:

         2HNO₃ + Na₂SO₃  → 2NaNO₃  + H₂O + SO₂

The reaction equation is shown above. In chemical reactions, the left hand side is made up of the reactants and the right hand side is made up of the products.

 The reactants in the equation are:

     HNO₃ and Na₂SO₃

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3 years ago
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describe covalent and ionic bonding. include how it works, any key terms and how you can identify each bond ( hard, soft, rigid,
Katena32 [7]
A covalent bond is a bond between 2 non metals, they share electrons. Ionic bonding occurs between a metal and a non-metal, and they transfer electrons. 
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The mass of any amount of a solid, liquid, or gas relative to its volume is called its ____________.
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Eazy, it’s called density

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3 years ago
A fusion reaction takes place between carbon and another element. Neutrons are released, and a different element is formed. The
sdas [7]

Answer:

Dependent on the element that reacted with carbon

Explanation:

Nuclear fusion is the combination of small atomic nuclei into larger ones usually accompanied with the release of a large amount of energy.

From the problem stated, carbon fuses with another atom. The combined atom would have more nuclear particles in terms of protons and neutrons than the combining atoms. This will eventually make it weigh more than carbon and the atom it combines with. The resulting weight will depend on the combining atoms eventually.

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Earthquakes are vibrations of Earth's crust. Which of the following is used to
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