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3 years ago

I’m confused on all this and I need the answers...

Chemistry

1 answer:

Anarel [89]3 years ago

7 0

Answer:

Explanation:

Synthesis Reaction:

The reaction in which two or more molecules or compound combine together to form a new compound.

1. K + Cl₂ --------> KCl

Balanced equation

2 K + Cl₂ -------->2 KCl

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2. Ca + F₂ --------> CaF₂

Balanced equation

Ca + F₂ --------> CaF₂

--------------------------------------

3. Ag + S --------> AgS

Balanced equation

2Ag + S --------> Ag₂S

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4. Na + I₂ --------> NaI

Balanced equation

2 Na + I₂ --------> 2 NaI

--------------------------------------

5. Mg + O₂ --------> MgO

Balanced equation

2 Mg + O₂ --------> 2 MgO

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6. H₂ + Cl₂ --------> HCl

Balanced equation

H₂ + Cl₂ --------> 2 HCl

____________________________

Decomposition reaction:

when one compound breaks down into 2 or more molecule or components.

7. Cs₂O --------> Cs + O₂

Balanced equation

2 Cs₂O --------> 4 Cs + O₂

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8. H₂O --------> H₂ + O₂

Balanced equation

2 H₂O --------> 2 H₂ + O₂

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9. MgBr₂ --------> Mg + Br₂

Balanced equation

MgBr₂ --------> Mg + Br₂

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10. AlCl₃ --------> Al + Cl₂

Balanced equation

2 AlCl₃ --------> 2 Al + 3 Cl₂

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11. KI --------> K + I₂

Balanced equation

2 KI --------> 2K + I₂

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12. NaCl --------> Na + Cl₂

Balanced equation

2 NaCl --------> 2 Na + Cl₂

_______________________________

Combustion:

when a fuel burn in the presence of oxygen and produces carbon dioxide and water.

13. C₃H₈ + O₂ --------> CO₂ + H₂O

Balanced equation

C₃H₈ + 5 O₂ --------> 3 CO₂ + 4 H₂O

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14. C₂H₄ + O₂ --------> CO₂ + H₂O

Balanced equation

C₂H₄ + 3 O₂ --------> 2 CO₂ + 2 H₂O

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Read 2 more answers

How many grams of Cl are in 525g of CaCl2

Tema [17]

First we determine the moles CaCl2 present:

525g / (110.9g/mole) = 4.73 moles CaCl2 present

Based on stoichiometry, there are 2 moles of Cl for every mole of CaCl2:
(2moles Cl / 1mole CaCl2) x 4.73 moles CaCl2 = 9.47 moles Cl

Get the mass:
9.47moles Cl x 35.45g/mole = 335.64 g Cl

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