Chemistry

In this laboratory you will learn how to plot the heating curve for water. Long-term plan section Subsections of the standard curriculum Learning objectives Changes in the state of substances Cooling process.   The heating process. Laboratory experiment No. 5 “Study of the boiling process of water” 7.1.1.6 Study the boiling process of water, construct a heating curve and analyze it, and explain your observations, according to the kinetic theory of particles

In this laboratory work you will learn how to identify the signs of chemical reactions Long-term plan section Subsections of the standard curriculum Learning objectives Changes in the state of substances Physical and chemical phenomena. Laboratory experiment No. 3 “Study of signs of chemical phenomena” 7.1.1.3 distinguish between physical and chemical phenomena

In this laboratory work you will learn about the solubility of salts Long-term plan section Subsections of the standard curriculum Learning objectives Solutions and solubility   Dissolution of substances in water. Laboratory experiment No. 5 “Study of solubility of substances”   8.3.4.1 classify substances of solubility in water; 8.3.4.2 explain the role of solutions in nature and everyday life Study of solubility of substances

In this laboratory you will learn about conservation of masses based on the example of reaction of baking soda with ac etic acid. Long-term plan section Subsections of the standard curriculum Learning objectives Formulas of substances and equations of chemical reactions   Drawing up equations of chemical reactions. The law of conservation of mass of substances. Laboratory experiment No. 2 “Ratio of reacting substances”   8.2.3.2 establish experimentally the ratio of reacting substances; 8.2.3.3 to make equations of chemical reactions, writing down formulas of reagents and reaction products; 8.2.3.4 know the law of conservation of mass of substances

In this laboratory work you will learn about exothermic and endothermic reactions Long-term plan section Subsections of the standard curriculum Learning objectives Introduction to energy in chemical reactions   Exothermic and endothermic reactions. Laboratory experiment No. 4 “Chemical reactions accompanied by a change in energy”   8.3.1.3 know that exothermic reactions occur with the release of heat, and endothermic reactions with the absorption of heat; 8.3.1.4 understand the effects of various fuels on the environment  

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