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s344n2d4d5 [400]
3 years ago
5

Calculate the ratio of the effusion ratesbetween chlorine gas (Cl2, molar mass = 71 g/mol) and iodine gas(I2, molar mass = 254 g

/mol).
a)0.280
b)1.89
c)3.58
d)8.43
Chemistry
1 answer:
inysia [295]3 years ago
5 0

Answer:

d is the correct answer

Explanation:

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Balance the equation for magnasuin and oxygen to yield magnasuimoxide
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Answer:

2Mg + O₂  →  2MgO

Explanation:

Chemical equation:

Mg + O₂  →  MgO

Balanced chemical equation:

2Mg + O₂  →  2MgO

The balanced equation s given above and it completely follow the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

This law was given by french chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

Steps to balanced the equation:

Step 1:

Mg + O₂  →  MgO

Mg = 1         Mg = 1

O = 2           O = 1

Step 2:

2Mg + O₂  →  MgO

Mg = 2         Mg = 1

O = 2           O = 1

Step 3:

2Mg + O₂  →  2MgO

Mg = 2         Mg = 2

O = 2           O = 2

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Do nonmetals form anions or cations?
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Since medals form cations
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How do you do b,c, and d
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Are they all correct?
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Answer:yes

Explanation:

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