Chematik

Sulfides are salts or other derived substances from hydrogen sulfide (H2S). Salts are chemical...

Question | What are Sulfides?

At the oxyhydrogen gas sample, a mixture of hydrogen and oxygen is ignited. For this purpose, the hydrogen is filled...

Question | What is the formula for the Oxyhydrogen Gas Sample?

Computing the covariance and correlation (the covariance is embedded in the correlation formula) depends on the fact,...

Question | Calculate Correlation or Covariance for non-equal Sample Sizes

Eggs are initially soft inside of the animal and they harden due to calcium deposits only gradually over time. Thereby,...

Question | Where does the shape of eggs come from?

Pluto has never really fitted quite right in the series of planets in our solar system. Pluto is too small, Pluto has...

Question | Why is Pluto no longer a planet?