Chemistry, 11.01.2020 07:31 sandywarren8789

I’m so confused on how to balance all these equations!

Answers: 1

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Answers

Answer from: carlossauceda0

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

2. Ca + F₂ > CaF₂

Balanced equation

Ca + F₂ > CaF₂

3. Ag + S > AgS

Balanced equation

2Ag + S > Ag₂S

4. Na + I₂ > NaI

Balanced equation

2 Na + I₂ > 2 NaI

5. Mg + O₂ > MgO

Balanced equation

2 Mg + O₂ > 2 MgO

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

8. H₂O > H₂ + O₂

Balanced equation

2 H₂O > 2 H₂ + O₂

9. MgBr₂ > Mg + Br₂

Balanced equation

MgBr₂ > Mg + Br₂

10. AlCl₃ > Al + Cl₂

Balanced equation

2 AlCl₃ > 2 Al + 3 Cl₂

11. KI > K + I₂

Balanced equation

2 KI > 2K + I₂

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

14. C₂H₄ + O₂ > CO₂ + H₂O

Balanced equation

C₂H₄ + 3 O₂ > 2 CO₂ + 2 H₂O

Answer from: Quest

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.

Answer from: Quest

answer: semi-infinite solid initially at a uniform temperature of 400 ◦c is cooled at its surface by convection. the cooling fluid at a constant temperature of 200 ◦c has a convective coefficient (ha) of 250 w/m2.k. the physical properties of the solid: k = 20 w/m.k and α = 4 * 10-5 m2/s. using δx = 0.04 m and δt = 10 s. write the finite difference equations describing the transient heat transfer of the first five δx and the temperature profile after 30 s.

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I’m so confused on how to balance all these equations!
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