In the chemical formula 2no2, how many atoms of oxygen (o) are there? 2 3 4 5

In the following redox reaction which is the oxidizing agent and which is the reducing agent? AlCl3 + Na NaCl + Al

Consider the three equations below. Superscript 14 subscript 7 upper N plus superscript 1 subscript 1 upper H right arrow superscript 15 subscript 8 upper O.

A rock weighing 26.0g placed graduated cylinder displacing the volume from 13.12ml to 25.3ml what is the density of the rock in grams cubic centimeter

Copper is used to make electrical cable because it is a) Cheap and readily available b) Hard and brittle c) Shiny and unreactive d) Soft and can be easily stretched

Suppose the candle was placed in a large, sealed jar that allowed it to burn for several minutes before running out of oxygen. The candle and jar are balanced by an equal weight.

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