What is the purpose of adding nahso3 at the end of the oxidation? write a balanced equation for the reaction it undergoes?

Nitrogen gas is used in fuel tank of aeroplane

All silicate minerals must contain atoms of which of these elements? select all that apply. a. carbon b. silicon c. oxygen d. hydrogen

Which characteristic of atoms is the basis for the order on the Periodic Table? A. reactivity B. atomic size C. atomic number D. mass number

The solubility of an ionic compound in water at 25°C is 5.0 g/L. List all of the possible methods one might use to make more than 5.0 grams of this compound dissolve in one liter of water.

An air mass moves northeast from the Gulf of Mexico towards the northeastern United states. As the air mass reaches the northeast, this region will become

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

The line of longitude used as the origin in a system of coordinates

In the ground state, has only 1 electron in a p orbital. A. carbon B. fluorine C. hydrogen D. nitrogen E. aluminum