Se2- has 34 protons and 36 electrons so it gets a 2- charge.
Because Celcius is a larger amount than Fahrenheit. The units are farther apart.
Answer:
D. I've watched Jurassic park uwu
Answer:
a. The phenolphthalein acts as a color changing indicator to signal the endpoint of the reaction.
Explanation:
Phenolphthalein is an organic substance with chemical formula
.
It is a substance commonly used in acid-base titrations to indicate the end point in the titration because phenolphthalein is colorless in acidic solutions but turns a purplish-pink color in basic solutions.
In this way it helps visually to notice when the final point of the titration has been reached.
Pressure does not affect the voltage produced in a voltaic cell.