Name a compound which on heating with excess of concentrated sulphuric acid at 443k gives ethene

Why does asexual reproduction result in offspring with identicle genetic variation

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?