2 years ago

How does a buffer work

1 answer:

8 0

A buffer is simply a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. Buffers work by reacting with any added acid or base to control the pH.

Hope this helps

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Bari oxit có công thức hóa hóa học là BaO . vậy bari oxit được tạo nên từ các nguyên tố

Softa [21]

Answer:

Bari oxit được tạo nên từ các nguyên tố Bari (Ba) và Oxi (O)

Explanation:

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2 years ago

Metamorphism can best be defined as

Brilliant_brown [7]

Answer:

The answer is D if it's wrong let me know pls

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2 years ago

How many moles are in 64 grams of methane, CH4? A. 4 B. 32 C. 64 D. 13

ss7ja [257]

Answer:

A. 4.

Explanation:

We can use the relation:

no. of moles (n) = mass/molar mass.

mass = 64.0 g, molar mass = 16.0 g/mol.

∴ no. of moles (n) = mass/molar mass = (64.0 g)/(16.0 g/mol) = 4 mol.

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2 years ago

How does an atom become an atom of another element is

ivann1987 [24]

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3 years ago

Methanethiol, CH3SH, has a substantial dipole mement (1.52) even though carbon and sulfer have identical electronegativities. Ex

AleksAgata [21]

Answer:

The whole molecule is polar because Sulfur has lone pairs but Carbon doesn't. Lone pairs count more toward polarity, shifting dipole toward S.

Explanation:

Even though carbon and sulfur have identical values of electronegativities, the molecule, $CH_3SH$ is polar because of the presence of the lone pairs on the sulfur atom.

The C-S bond is not polar because the both the atoms have electronegatiivty. But S has lone pairs which can attract the bond pairs of the bond between the S and H and thus acquires slightly negative charge and H acquires slightly positive charge.

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2 years ago