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2 years ago

Attraction between particles is less.

2 answers:

5 0

Not 100% clear on a question. This I know, in solids, particles don't have enough kinetic energy to overcome the force of attraction between them. The particles are packed closely together and cannot move around; all they can do is vibrate.

Blizzard [7]2 years ago

3 0

Answer:

I know the answer

Explanation:

attraction helps its capacity

hope it may helps you

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2 years ago

The empirical formula of a compound is CH2O and its molecular weight is 90.09 g/mol. Determine the molecular formula.

Pachacha [2.7K]

Answer : The molecular formula of the compound will be, $C_{3}H_{6}O_3$

Explanation :

Empirical formula : It is the simplest form of the chemical formula which depicts the whole number of atoms of each element present in the compound.

Molecular formula : it is the chemical formula which depicts the actual number of atoms of each element present in the compound.

For determining the molecular formula, we need to determine the valency which is multiplied by each element to get the molecular formula.

The equation used to calculate the valency is :

$n=\frac{\text{molecular mass}}{\text{empirical mass}}$

As we are given that the empirical formula of a compound is $CH_2O$ and the molar mass of compound is, 90.09 gram/mol.

The empirical mass of $CH_2O$ = 1(12) + 2(1) + 1(16) = 30 g/eq

$n=\frac{\text{molecular mass}}{\text{empirical mass}}$

$n=\frac{90.09}{30}=3$

Molecular formula = $(CH_2O)_n=(CH_2O)_3=C_{3}H_{6}O_3$

Thus, the molecular formula of the compound will be, $C_{3}H_{6}O_3$

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3 years ago

What is 24.3 – 15.45 when accounting for sig fig rules?

Rasek [7]

Answer:

8.85 because im smart

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2 years ago

Selected Answer: alpha particle

Lostsunrise [7]

Answer:

positron

Explanation:

A positron is a particle produced when a proton is transformed into a neutron. Anti neutrinos are ejected from the nucleus to balance spins.

Positron emission increases the Neutron/Proton ratio. When a nuclide undergoes positron emission, the atomic number of the daughter nucleus is one unit less than that of the parent nucleus hence it is found one place before its parent in the periodic table.

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3 years ago

Which statement describes the periodic table?

Nutka1998 [239]

Periodic table is a scientific model

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2 years ago

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