What happens to wood when it burns?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

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.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?