Which part of the following descriptions of a compound or element refers to its physical properties and which to its chemical properties? a. calcium carbonate is a white solid with a density of 2.71 g/cm3. it reacts readily with an acid to produce gaseous carbon dioxide. b. gray powdered zinc metal reacts with purple iodine to give a white compound.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?

Based on the formulas, select the compounds below that are covalent: kbr sif4 al2o3 co2 naco3 s7o2 pcl3 fe3n2 h2o s2f10