how many grams of ethylene (c2h4) are needed to produce 140 grams of carbor
dioxide?

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Based on its chemical properties, identify the position of each chemical family on the periodic table.