H2 (g) + Cl2 (g) →2HCl (g) As the pressure increases at constant temperature, the number of moles of HCl? Increase, Decrease, Stay the same?

Place the object into the graduate cylinder and record the new volume of water

Why are atoms considered the smallest particles of an element?

A test tube contains a pure colourless gas. It is either oxygen, carbon dioxide, hydrogen or nitrogen. When a burning splint is put into the gas it just goes out. you are allowed only one more test to identify the gas.

Explain the reactivity of the Nobel gases in terms of valence electrons

The ideal gas equation is PV=nRT where P is pressure, V is volume, n is the number of moles, R is a constant, and T is temperature.

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