9chemistrylab

Description: This experiment aims to demonstrate the presence of carbon in common food products. By subjecting sugar and pasta to heat, students will observe the changes in their physical properties.

Description: In this experiment, students will explore the effect of acetic acid on eggshells, which are a rich source of calcium, and draw conclusions about the role of this macronutrient for the body. 

Description: As part of this work, students will gain knowledge about the structure of nitrogen and ammonia molecules by creating 3D models of these molecules with their own hands, as well as using virtual simulation.

Description: As part of this study, students will conduct an experiment aimed at studying the process of protein denaturation.

In this laboratory work you will learn about the reaction of aluminum with alkalis Long-term plan section Subsections of the standard curriculum Learning objectives Elements of 1 (I), 2 (II) and 13 (III) groups and their compounds Elements of 13 (III) group. Aluminum and its compounds.   Laboratory experiment No. 9 “Interaction of aluminum with a solution of acid and alkali”   9.2.1.5 explain the properties of aluminum based on the atomic structure and name the areas of application of aluminum and its alloys; 9.2.1.6 investigate the amphoteric properties of aluminum, its oxide and hydroxide

In this lab, you will learn how temperature affects the rate of a reaction based on the reaction of baking soda and vinegar. Long-term plan section Subsections of the standard curriculum Learning objectives Rate of chemical reactions Rate of chemical reactions. Factors influencing the rate of a chemical reaction. Laboratory experiment No. 6 “The influence of concentration temperature and particle size on the reaction rate” 9.3.2.1 explain the concept of reaction rate; 9.3.2.2 identify factors influencing the rate of reactions and explain them from the point of view of the kinetic theory of particles

In this lab you will learn how Le Chatelier’s principle can be applied to dissociation reactions Long-term plan section Subsections of the standard curriculum Learning objectives Reversible reactions Reversibility and irreversibility of chemical reactions. Chemical equilibrium.     Laboratory experiment No. 7 “Chemical equilibrium shift”   9.3.3.1 know reversible and irreversible reactions; 9.3.3.2 describe the equilibrium as a dynamic process and predict the displacement of the chemical equilibrium according to the Le Chatelier Brown principle; 9.3.3.3 understand and distinguish the effect of changing conditions on the rate of chemical reaction and on the state of chemical equilibrium; 9.3.3.4 explain chemical equilibrium from the point of view of kinetic theory of particles

In this laboratory work, you will learn about how cations affect flame staining Long-term plan section Subsections of the standard curriculum Learning objectives Qualitative analysis of inorganic compounds Qualitative reactions to cations. Laboratory experiment No. 3 “Determination of Li+, Na+, K+, Ca2+, Sr2+, Ba2+, Cu2+ cations by flame staining” 9.4.1.8 Describe and conduct flame staining experiments to determine cations  

Description: In this laboratory work you will learn how to determine the presence of cations and anions in solutions Long-term plan section Subsections of the standard curriculum Learning objectives Qualitative analysis of inorganic compounds Qualitative reactions to anions. Laboratory experiment No. 5 “Determination of Sl–, Br–, I–, PO43–, SO42–, CO32–, NO3–, SiO32- anions in aqueous solutions” 9.4.1.9 conduct qualitative reactions for the determination of Fe2+, Fe3+, Cu2+ cations 9.4.1.10 conduct qualitative reactions to chloride-, bromide-, iodide-, sulfate-, carbonate-, phosphate-, nitrate-, silicate ions and describe the results of observing the ion exchange reaction

Desciption: In this laboratory work, you will learn what salt hydrolysis is and how to predict the pH of the medium by writing hydrolysis reaction equations. Long-term plan section Subsections of the standard curriculum Learning objectives Electrolytic dissociation Hydrolysis of salts. 9.3.4.3 experimentally determine the medium of medium salt solutions; 9.3.4.4 make molecular and ionic equations of hydrolysis of medium salts; 9.3.4.5 predict the reaction of medium medium salt solution