Comparing the reaction rate of a solid chunk of a substance (like marble or zinc) versus its powdered form.
Demonstrating that increasing temperature typically accelerates the reaction. Catalysts: Using substances like manganese dioxide ( MnO2cap M n cap O sub 2 ) to speed up the decomposition of hydrogen peroxide ( H2O2cap H sub 2 cap O sub 2 Topic: Qualitative Composition of Organic Substances prakticheskaia rabota 1 po khimii 11 klass novoshinskii
To detect the presence of carbon, hydrogen, and chlorine in organic compounds. Key Experiments: Comparing the reaction rate of a solid chunk
A summary statement relating back to the goal. zinc vs. iron) with hydrochloric acid.
(turning limewater cloudy), and hydrogen by the formation of water droplets.
Comparing the reaction of different metals (e.g., zinc vs. iron) with hydrochloric acid.