Write the balanced equation, then outline the steps necessary to determine the information requested: What is the number of moles and the mass of magnesium carbonate, MgCO3, required to produce 283 g
of carbon dioxide? (MgO is the other product.)

Why is nh3 classified as a polar molecule

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.

Stage in which a star’s outer layers have started to cool and grow outward?