Group 17 (7a) elements are called

An antacid tablet dissolving in water is an (A) Endothermic reaction (B) Exothermic reaction

A student is asked to make 500 mL of a buffer solution for an upcoming laboratory investigation that requires 50.0 mL of 3.0 M phosphoric acid. The student searches the acid cabinet in the stockroom but can only find 4.5 M phosphoric acid.

Why does each mineral have its own properties?

On. pe. Where is the Hubble telescope located?

The reaction A+B-> C+D rate=k[A][B]^2 has an initial rate of 0.0410 M/s. What will the initial rate be if [A] is halved and [B] is tripled? What will the initial rate be if [A] is tripled and [B] is halved?

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