3 years ago

What is electronic configuration? What is the Law of Constant Composition?

1 answer:

3 0

Answer:

The law of constant proportions states that chemical compounds are made up of elements that are present in a fixed ratio by mass. This implies that any pure sample of a compound, no matter the source, will always consist of the same elements that are present in the same ratio by mass.

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Answer:

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3 years ago

How many grams in 6.20 x 10^25 atoms of bromine (Br) ? image attached , will give brainliest

Deffense [45]

Answer:

8239.2g

Explanation:

Given parameters:

Number of atoms in Br = 6.2 x 10²⁵atoms

Unknown:

Mass of Br = ?

Solution:

From mole concepts, we know that:

1 mole of a substance contains 6.02 x 10²³ atoms/mol

Molar mass of Br = 80g/mol

6.2 x 10²⁵atoms x $\frac{1}{6.02 x 10^{23} }$ $\frac{mol}{atoms}$ x 80 x $\frac{g}{moles}$

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3 years ago

How many molecules are in 777.7 grams of water?

Alisiya [41]

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2 years ago

C5H6 reacts with itself to form C10H12 according to the following process

swat32

When carbon compounds react with themselves to form a larger molecule the process is called polymerization. Specifically addition polymerization. sometimes molecules containing containing carbon to carbon double bonds can join together to form longer chains. The double bond is broken and the electrons in it join to neighboring molecules.

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3 years ago

Consider the substances below and predict in which of these substances is hydrogen bonding likely to play an important role in d

kolezko [41]

Explanation:

the otion correct is H2S

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2 years ago