Prakticheskaia Rabota 1 Po Khimii 11 Klass Novoshinskii -

In the 11th-grade chemistry curriculum by Novoshinsky, Practical Work No. 1 typically focuses on the or the qualitative composition of organic substances , depending on whether you are using the general or organic chemistry focused program. Topic: Speed of Chemical Reactions

To detect the presence of carbon, hydrogen, and chlorine in organic compounds. Key Experiments:

To experimentally study the factors that influence the rate of chemical reactions. Key Experiments: prakticheskaia rabota 1 po khimii 11 klass novoshinskii

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

Comparing the reaction rate of a solid chunk of a substance (like marble or zinc) versus its powdered form. Key Experiments: To experimentally study the factors that

Observing how varying the concentration of an acid affects the speed of gas evolution.

A summary statement relating back to the goal. Observing how varying the concentration of an acid

When writing up your results in a lab notebook or a TETRAD for practical works , follow this standard format: Goal of the work.