Compare the reaction for the expansion of methane with the reverse of the reaction that represents the standard enthalpy of formation. Which properties are the same for both reactions and which are different?

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.

Compare and contrast the bohr model and the electron cloud models of the atom.