Chemistry, 26.11.2019 22:31 vicky10445

For each reaction below, write the balanced equation.

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Answer from: Mastersonisnot

Explanation:

Al + O₂ → AlO₂

Balanced chemical equation:

Al + O₂ → AlO₂

In this equation Aluminium is reducing agent while oxygen is oxidizing agent.

K + Br₂ → KBr

Balanced chemical equation:

2K + Br₂ → 2KBr

This is balanced chemical equation because there are equal number of potassium and bromine atoms are present on both side of equation.

Mg + HCl → MgCl₂ + H₂

Balanced chemical equation:

Mg + 2HCl → MgCl₂ + H₂

This is balanced chemical equation because there are equal number of magnesium, hydrogen and chlorine atoms are present on both side of equation.

Al + O₂ → Al₂O₃

Balanced chemical equation:

4Al + 3O₂ → 2Al₂O₃

This is balanced chemical equation because there are equal number of aluminium and oxygen atoms are present on both side of equation.

Na + MgF₂ → NaF + Mg

Balanced chemical equation:

2Na + MgF₂ → 2NaF + Mg

This is balanced chemical equation because there are equal number of sodium, magnesium and fluorine atoms are present on both side of equation.

Na + HCl → NaCl + H₂

Balanced chemical equation:

2Na + 2HCl → 2NaCl + H₂

This is balanced chemical equation because there are equal number of sodium, hydrogen and chlorine atoms are present on both side of equation.

SiO₂ + HF → SiF₄ + H₂O

Balanced chemical equation:

SiO₂ + 4HF → SiF₄ + 2H₂O

This is balanced chemical equation because there are equal number of silicon, oxygen and fluorine atoms are present on both side of equation.

FeS₂ + O₂ → Fe₂O₃ + SO₂

Balanced chemical equation:

4FeS₂ + 11O₂ → 2Fe₂O₃ +8 SO₂

Answer from: Quest

what is the general relationship between a galaxy's distance from earth and its speed?

the answer is:

the farther away a galaxy is from us, the faster it is moving away from us.

Answer from: Quest

i have no clue hope you find the answer

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For each reaction below, write the balanced equation.
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