Which one of these is a compound? a) air b) carbon dioxide c) oxygen and d) carbon

How many sodium atoms are in one formula unit of sodium nitrate?

What is a direct combination reaction?

Why is oil unable to dissolve well in water? Water is polar and oil is nonpolar, which means they have no attraction for each other. Oil molecules are too large to fit between the closely spaced water molecules in the liquid state.

Describe how you would prepare 200ml of a 0.25 solution of a naoh deom a 3m stock solution

Which of the following planets is considered a rocky, or terrestrial, planet? A) Venus B) Neptune C) Saturn D) Uranus

How many moles of CO will be produced, if 32.5grams of H2O are produced? C6H6S+6O2=>6CO+3H2O+SO3

Identify and briefly describe two ecosystems in your community that are beyond schoolyard

Is N2H2 a ionic compound?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.