The addition of hydrogen carbonate to bromothymol blue turns the solution blue. Thus, option B is correct.
The balanced equation for the dissociation of bromothymol blue is:

The color of dissociated form is yellow and undissociated form is blue.
<h3>What is the final color of solution?</h3>
The addition of hydrogen carbonate results in the dissociated ions as:

The dissociation results in the increased hydrogen ion concentration. The undissociated form in the reaction mixture increases.
Thus, the color of the solution will turn blue. Hence, option B is correct.
Learn more about bromothymol blue, here:
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Answer: The lower temperature reduces molecule speeds, reducing the number of effective collisions.
Explanation:
Answer:
Difussion
Explanation:
Diffusion is the result of a totally random phenomenon in which the molecules of a fluid come and go between two vessels that can be connected by a pipe. These molecules travel in a single direction, where the solute is more concentrated to where it is more diluted.
This movement of particles will be modified according to the length or area of the pipe and the concentration of solute. The greater the difference in solute concentration along the tube, the greater the diffusion
Answer:
Carbon < Lithium < Beryllium < Oxygen < Fluorine
Explanation:
Hello!
The molecule with the strongest intermolecular forces is CO₂ (Carbon Dioxide)
All the listed substances are nonpolar molecules, meaning that there isn't a dipolar moment (a difference in polarity resulting from the arrangement of atoms and electronegativity differences). Nonpolar molecules only have intermolecular interaction in the form of London dispersion forces.
London Dispersion Forces are stronger as the molecule size is bigger, so of the listed substances the biggest is CO₂, and it has the strongest intermolecular forces. This is evidenced by the fact that this substance has the highest boiling point of them all.
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