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Setler79 [48]
3 years ago
10

Which of these would have particles with the highest kinetic energy?

Chemistry
2 answers:
Eddi Din [679]3 years ago
7 0

Answer:

water vapor

Explanation:

Liquid water molecules have less freedom to move around. While molecules of water vapour have more freedom to move around as there is larger space between the molecules. Hence, the kinetic energy of water molecules is more as compared to the kinetic energy of liquid water

miv72 [106K]3 years ago
6 0

Answer:

water vapor

Explanation:

because gas molecules moves the fastest

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coldgirl [10]

Answer: I believe the answer is B. Sorry if i'm wrong

Explanation:

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3 years ago
A heterogeneous mixture is one in which substances are evenly distributed and have a uniform composition
Sati [7]
If you’re asking if this is true or false, it is false . A HOMOGENEOUS mixture is one the where the substances are evenly distributed and have a uniform composition, while a HETEROGENEOUS mixture is uneven and the substances are part from each like oil and water.
7 0
3 years ago
Specific heat capacity is _____.
melisa1 [442]

Answer:

all of this

Explanation:

4 0
2 years ago
A chromatogram has three bands with Rf values of 0.25, 0.47 and 0.82 which value corresponds to the material with the highest mo
S_A_V [24]

The compound that has the highest molecular weight based on the chromatogram is the compound with Rf 0.25.

A chromatogram is an output that shows the extent of separation of the components of a mixture. If the Rf is high, then it means that the substance traveled a large distance through the plate and vice versa.

Similarly, the molecular mass of the substances correlate with the Rf value observed for each component. The components with high molecular mass always show a low Rf value.

This implies that the lowest Rf value corresponds to the largest relative molecular mass. Thus, the compound that has the highest molecular weight based on the chromatogram is the compound with Rf 0.25.

Learn more: brainly.com/question/24430548

3 0
1 year ago
use the weak acid HCHO2 to defend or contradict the statement "A weak acid has a stronger conjugate base". Let me know if you ar
Luda [366]

Answer:

Formic acid can react to water, to give protons to medium:

  HCOOH     +     H₂O   →     H₃O⁺     +           HCOO⁻  

Weak acid         Base          Acid           Strong conjugate base

    HCOO⁻       +     H₂O  ⇄    HCOOH     +  OH⁻                 Kb

Strong base           Acid       Weak acid       Base          

So the formate can take a proton from water to become formic acid again and that's why it is a conjugate strong base.

Explanation:

HCOOH → Formic acid

To determine the conjugate pair and to know if they are weak or strong, we should know, if they can react to water. This is called hydrolisis.

For example: formic acid is a weak acid, so the formed formate will be its conjugate base and it will be strong because the formate can react to water, to make formic again.

Weak acid → Strong conjugate base

Strong acid → Weak conjugate base

Weak base → strong conjugate acid

Strong base → weak conjugate acid

For example HCl is a strong acid. When it is in aqueous solution, we have protons and chlorides.

HCl + H₂O → H₃O⁺  + Cl⁻

Chloride will be the weak conjugate base, because it can't react to water.

We can not make HCl again, according to this equation:

Cl⁻ + H₂O ← HCl + OH⁻    This is impossible.

Formic acid can react to water, to give protons to medium:

 HCOOH     +     H₂O   →     H₃O⁺     +    HCOO⁻

Weak acid         Base          Acid           Strong conjugate base

So the formate can take a proton from water to become formic acid again and that's why it is a conjugate strong base.

    HCOO⁻       +     H₂O  ⇄    HCOOH     +  OH⁻                 Kb

Strong base           Acid       Weak acid       Base          

7 0
3 years ago
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