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Does phenol red mixed with calcium chloride and baking soda turn out to be a exothermic or endothermic?

The reaction between phenol red, calcium chloride, and baking soda is endothermic. The mixture will absorb heat from its surroundings as it undergoes the reaction, causing the temperature of the mixture to decrease.


Does phenol red change baking soda to red?

Phenol red is a pH indicator that changes color in response to pH changes. It turns yellow in acidic conditions and red in basic conditions. When added to a solution containing baking soda (sodium bicarbonate), which is a basic substance, phenol red can turn red.


What happens to an elodea leaf when added a phenol red solution?

When an Elodea leaf is added to a phenol red solution, the leaf will release oxygen through photosynthesis. The oxygen will cause the phenol red solution to change color, indicating the presence of oxygen production.


What color is phenol red as a base?

Phenol red is red in its basic form.


Baking Soda mixed with calcium chloride and phenol red solution chemicla or physical change?

It is a chemical change because it produces heat which is evidence that a chemical change has occured.


Why does phenol red change yellow?

Phenol red changes yellow in acidic conditions due to a shift in its chemical structure, which occurs when the hydrogen ions in the solution cause the indicator to undergo a color change. This change is reversible when the solution becomes basic again.


How will Calcium chloride react with phenol red and baking soda?

When Calcium chloride reacts with phenol red and baking soda, it will generate carbon dioxide gas. This reaction causes the phenol red to change color – it will turn from red to yellow as the pH decreases due to the formation of carbonic acid.


What colour will phenol turn litmus paper?

Phenol is a weak acid, so it can turn blue litmus paper red, indicating its acidic nature. However, phenol does not significantly affect red litmus paper, as it is not a strong enough acid to change its color. Overall, phenol primarily affects blue litmus paper by turning it red.


What will happen to the color of sodium bicarbonate if phenol red is add?

If phenol red is added to sodium bicarbonate, the color of the solution will change based on the pH. In an acidic solution, phenol red will appear yellow, in a neutral solution it will be red, and in an alkaline solution (such as when sodium bicarbonate is added), it will turn a pink or magenta color.


What color is phenol red at a neutral?

Phenol red is made by condensation of Phenol and saccharine.pH below 6.8 = YellowpH above 8.2 = Red/FuschiaGradually turns from yellow to red/fuschia (pH between 6.8 and 8.2 = Pinkish)


What color is phenol red at an acid pH?

Phenol red is yellow at an acid pH.


What state of matter is phenol red solution?

A solution of phenol red is a liquid.