Define displacement reaction

Phenolphthalein has often been used to monitor the progress of an acid-base neutralization reaction. what color will phenolphthalein be when there is an excess of acid present?

Describe why an element's physical properties are different from its chemical properties. Include in your answer an example of one chemical and one physical property.

When two substances are mixed and light is produced is it a chemical or physical change?

Table sugar has the chemical formula C12H22O11 what is the ratio of carbon atoms to oxygen atoms in this compound?

A chicken farmer stores all of the chicken manure from his farm in large piles next to the river. Throughout the spring and summer, the piles of manure are exposed to rain and wind. The farmer finally removes the manure in the fall.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda