Is 2HCl + Na2S - H2S + NaCl balanced?

A temperature scale used by scientist

What was the atomic theory about?

What is the relstionship between a mutatation and gene

Which process is the primary source for energy used by living organisms on Earth? A) Fusion in the Sun. B) Fission in the Sun. C) Combustion in the Sun. D) Disambiguation in the Sun.

Why does nuclear radiation occur?

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