is the enthalpy change when 1 mole of a substance undergoes complete combustion under standard conditions.
Α. ΔΗ0a
Β. ΔΗ0f
c. ΔΗ0n
D. ΔΗ0c

What is the mass of 4 molecules of co2

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.