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The reaction between calcium carbonate and hydrochloric acid produces carbon dioxide.  The carbon dioxide could be collected in a gas syringe or in a measuring tube inverted and filled with water.  The ra...

Same number of protons (6 protons - atomic number) and different number of neutrons (6 neutrons in C-12 and 8 neutrons in C-14).

A heterogeneous catalyst a catalyst that is in a alternative phase/state to the reactants. The first stage of catalysis by a heterogeneous catalyst is absorption of the reactants onto the surface of the c...

Concentration of HCl, Mass of marble chips (use excess HCl).

In terms of chemistry- entropy refers to disorder, so basically things coming out of order. So a reaction involving chemical A moving from a solid to a gaseous state. This change in state of matter, from ...