Steam is escaping froma teapot. is this a chemical reaction? explain.

What 2 groups of rocks are formed from all 3 kinds of rocks?

What happens to the biomass as energy decreases up the food pyramid?

How many types of atom make up a particle of water

Can a particle be a single atom?

When a gamete is formed, what is the term given to the cell according to the number of chromosomes it has?

Why are valence electrons important?

A woman carriers her 100-newton child for a distance of 50 meters to the child's bedroom. How much work does the woman do?

Which statement best describes the compressibility of a gas? A Increasing the temperature of a gas decreases the pressure. B Increasing the temperature of a gas increases the pressure. C Increasing the pressure on a gas decreases the volume.

How many grams are in 3.0 moles of KCI (potassium chloride) ?

3 During a flame test, a lithium salt produces a characteristic red flame. This red color is produced when electrons in excited lithium atoms (1) are lost by the atoms (2) are gained by the atoms (3) return to lower energy states within the atoms