Which of the following is necessary to do a complete stoichiometric calculation? A) Add the nuclear masses of the products.
B) Divide the nuclear masses of the reactants.
C) Write the complete balanced chemical equation.
D) Write the number of atoms in 1 mole of the product.

Which substances have the lowest melting points: ionic covalent, or metallic

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

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic