The diagram shows the movement of magma due to convection currents.
Based on the diagram, which
part of Earth is the
coolest?
A) the crust
Crust
B) the mantle
the outer core
Mantle
C) Outer core
D) the inner core
Inner core

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Chemistry worksheet - i am not sure what they are asking for exactly?