Because of the law of conservation of matter products and reactants in chemical reactions must? A) Have different number of atoms
B) Contain the exact same compunds
C) Be reversible
D) Have the same number of atoms

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

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next