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3 years ago

Explain two reasons why SI is easier to use than the English system

Chemistry

2 answers:

sammy [17]3 years ago

4 0

Because SI has more standard measurements such as kilograms mol ect.
its better then the English system in that way

KonstantinChe [14]3 years ago

3 0

Answer:

1. SI units are easy to remember

2. English system needs lots of calculation while converting it from one unit to other

3. SI unit is universally accepted.

Explanation:

1. SI units are easy to remember

2. English system needs lots of calculation while converting it from one unit to other.

in SI unit base 10 is used to convert from one unit to other,I is similar to number system, therefore it is very easy to remember and convert between units.

In English system it is very difficult to memorize when we have to convert bigger unit to smaller unit by several orders of magnitude and it needs lots of calculation.

Example:

Suppose we have to determine how many millimeters are there in a meter? then we can easily determine

we can easily remember it as milimeter means $10^3meter$

on the other hand if we have convert microns into a mile than it needs lots of calculation.

3. SI unit is universally accepted.

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3 years ago

Find the % composition for each element in Zn(CIO3)2

bezimeni [28]

Zn = 28.15%

Cl = 30.53%

O = 41.32%

<h3>Further explanation</h3>

Given

Zn(CIO3)2 compound

Required

The % composition

Solution

Ar Zn = 65.38

Ar Cl = 35,453

Ar O = 15,999

MW Zn(CIO3)2 = 232.3

Zn = 65,38/232.3 x 100% = 28.15%

Cl = (2 x 35.453) / 232.3 x 100% = 30.53%

O = (6 x 15.999) / 232.3 x 100% = 41.32%

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2 years ago

which of the following is a balanced chemical equation for the reaction of magnesium with nitrogen gas to form magnesium nitride

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So the unbalanced equation would be Mg + N^2 --> Mg^3N^2

Which means the balanced equation would be 3Mg + N^2 --> Mg^3N^2

This is balance the equation out since you now has 3 magnesium and 2 nitrogen on the left side, and 3 magnesium on 2 nitrogen on the right. Double check my work though, it's been awhile.

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3 years ago