What would make the risk of these cancers even worse for someone who drinks alcohol?

1 answer:

3 0

Most people know that heavy alcohol drinking can cause health problems. ... Drinkingand smoking together raises the risk of these cancers far more .... caused by some cancer treatments, and can even make them worse.

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Arrange the molecules H2O, NH3, Ar, NaCl in order of expected increasing boiling points. 1. None of these 2. NaCl, H2O, NH3, Ar

Aleks04 [339]

Answer:

Option (4) is correct

Explanation:

NaCl is an ionic solid. $Na^{+}$ and $Cl^{-}$ ions are held together by strong coloumbic attractive force. Hence NaCl has highest boiling point'
Ar is a monoatomic molecule. Hence only weak london dispersion force exists between Ar atom/molecules. Hence it requires lowest amount of energy to boil and thereby possess lowest boiling point.
$NH_{3}$ and $H_{2}O$ are polar protic molecules. Hence they possess london dispersion force, dipole-dipole force and hydrogen bonding as intermolecular forces.
Dipole-dipole force is stronger in $H_{2}O$ than $NH_{3}$ due to more polar O-H bond than N-H bond. Also molecular weight of $H_{2}O$ is higher than $NH_{3}$ . So, more energy is required to boil $H_{2}O$ . So, $H_{2}O$ has higher boiling point than $NH_{3}$

Hence order of boiling point : $NaCl>H_{2}O>NH_{3}>Ar$

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3 years ago

Do all atoms only have one oxidation state

MA_775_DIABLO [31]

I believe so! If not tell me So I can delete this

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Read 2 more answers

1. How did Mosely contribute to the periodic table arrangement?

KIM [24]

Answer:

1. Mosely arranged the elements based on the increasing number of protons, atomic number.

2. According to Moseley, similar properties recur periodically when elements are arranged according to increasing atomic number. Atomic numbers, not weights, determine the factor of chemical properties. Mendeleev ordered his elements in order of their relative atomic mass, and this gave him some problems.

Explanation:

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3 years ago

the ph of a naoh solution is 12.05. what is the concentration of [oh-] of the naoh solution? express your answer in standard not

Vesnalui [34]

Answer:

12.05,oei

Explanation:

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What is the number of sub shells in the 3rd main shell?

valkas [14]

The answer would be 2

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