How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen?

A helicopter's speed increases from 25 m/s to 6 m/s in 5 seconds. What is the acceleration of this helicopter?

Why lead carbonate is not reacted with sulphuric acid in the formation of carbon dioxide

N=4 has how many orbitals?

Which element would you expect to behave the most like carbon (c) ? apex?

According to the animation, what does the electron transport chain do to the concentration of hydrogen ions (protons)

Balance the following chemical equation: / text{CH}_ 4 + CH 4 + start text, C, H, end text, start subscript, 4, end subscript, plus / text{O}_ 2 / rightarrow 2 →start text, O, end text, start subscript, 2, end subscript, right arrow / text{CO}_2 +

How did the invention of the spectroscope in 1859 change the science of chemistry

Will zinc and sodium carbonate react?

What fraction of carbon 14 remains in an animal frozen in a glacier 18000 years ago?

How do you convert the number of molecules of a substance to the number of moles? a. add Avogardo's number b. subtract Avogardo's number c. multiply Avogardo's number d. devide Avogardo's number