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romanna [79]
2 years ago
9

Which of the following changes would increase the rate of a reaction between vinegar and sodium hydroxide? (2 points) Question 2

1 options: 1) heating up the vinegar 2) diluting the vinegar 3) cooling the sodium hydroxide 4) decreasing the volume of the container Save
Chemistry
2 answers:
posledela2 years ago
8 0
I would do option 1) heat up the vinegar. It would increase the rate of reaction.

aleksandr82 [10.1K]2 years ago
6 0

<u>Answer: </u>The correct answer is Option 1.

<u>Explanation:</u>

Rate of reaction can be increased by the following factors:

1. Concentration of the reactants: Greater the concentration of the reactants, faster is the reaction. Conversely, as the concentration of the reactants decrease, the rate of reaction also decreases.

2. Temperature: The rate of the reaction increases with increase in temperature.

3. Surface area of the reactants: For the reaction involving a solid reactant, the smaller is the particle size that is the greater is the surface area, faster will be the reaction.

From the given options, Temperature is playing the role in increasing the rate of the reaction.

Heating of vinegar will lead to the increase in the rate of the reaction because temperature is also increasing.

Hence, the correct answer is Option 1.

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A carbon skeleton is covalently bonded to both an amino group and a carboxyl group. When placed in water it ____
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Answer:

The correct option is: (D) would function as both an acid and a base

Explanation:

A carbon skeleton bonded to a amino group as well as a carboxyl group, will behave as an acid in basic medium and base in acidic medium. This is because the carboxyl group present in the compound will release a proton in basic medium and the amino group will accept a proton in the acidic medium.

<u>Therefore, a carbon skeleton which is covalently bonded to a carboxyl and amino group will behave as both acid and base.</u>

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Are you kidding me is this answer or question you got be kidding
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Talja [164]

It became thicker and its viscosity decreased and cannot flow as easily as before.

You ignite a chemical reaction by adding the borax solution to the glue mixture.

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What is the difference between concentrated acid and a weak one?
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Answer:

Difference between concentrated acid and weak acid :---

  • According to Arrhenius's theory the substances which easily get dissociated into H+ ions when dissolved in water are acids.

  • And the substance which readily gives H+ ions on dissociation (when dissolved in water) are Strong Acid. Examples are HCl , H2SO4 etc.

While,

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Answer: 1650 hope i got it in time.

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