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Lelechka [254]
2 years ago
6

Does the pH increase or decrease, and does it do so to a large or small extent, with each of the following additions?(a) 5 drops

of 0.1 M NaOH to 100 mL of 0.5 M acetate buffer
Chemistry
1 answer:
dem82 [27]2 years ago
3 0

Increases to a small extent, because the buffer resists change in pH.

<h3>What do you mean by buffer?</h3>

A buffer is a substance that can withstand a pH change when acidic or basic substances are added. Small additions of acid or base can be neutralized by it, keeping the pH of the solution largely constant. For procedures and/or reactions that call for particular and stable pH ranges, this is significant. The pH range and capacity of buffer solutions determine how much acid or base can be neutralized while pH changes and how much pH will vary. A buffer must have a weak conjugate acid-base pair, which can be either an or b, in order to successfully maintain a pH range.

To learn more about buffers, refer to:

brainly.com/question/602584

#SPJ4

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MissTica

Answer:

The correct answer is in an exothermic reaction the energy of the product is less than the energy of the reactants.

Explanation:

Exothermic reaction is a type of reaction that generates heat.As a result in case of an exothermic reaction the energy of the reactant is more than the energy of the product.

       That"s why the enthalpy change in an exothermic reaction is always positive .

8 0
3 years ago
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The theoretical yield of 1,2-epoxycyclohexane is _______________ grams, when starting with 3.0 grams of trans-2-bromocyclohexano
Amanda [17]

Answer:

1.64g

Explanation:

The reaction scheme is given as;

2-bromocyclohexanol  --> 1,2-epoxycyclohexane + HBr

From the reaction above,

1 mol of 2-bromocyclohexanol produces 1 mol of 1,2-epoxycyclohexane

3.0 grams of trans-2-bromocyclohexanol.

Molar mass = 179.05 g/mol

Number of moles = mass / molar mass = 3 / 179.05 = 0.016755 mol

This means  0.016755 mol of 1,2-epoxycyclohexane would be produced.

Molar mass =  98.143 g/mol

Theoretical  yield = Number of moles * Molar mass

Theoretical  yield =  0.016755 * 98.143 ≈ 1.64g

7 0
3 years ago
What is erosion? what are the four agents of erosion​
Savatey [412]

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Explanation:

3 0
2 years ago
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Strike441 [17]

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8 0
3 years ago
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Answer:

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Explanation:

I

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