My frist experiment at the chemistry


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My frist experiment at the chemistry hamroyev Aslbek

My frist experiment at the chemistry

HAMROYEV ASLBEK

Plan: 1. Introduction to the laboratory. 2.Labaratory rules 3.Experement part 4.Farewell part

Safety rules must be followed during the experiment. Not following the rules will lead to bad consequences. The rules are always mentioned before the experiment.

Assalomu alaykum everyone welocome to “My frist experment at the chemistry”.

Theme: Strong acid and hydroxides neutralization reaction . Colorometric determination of heat. Necessary tools: 1.Colorometry 2.NaOH 3.HCl (H2SO4) 4. Thermometer 5.25ml Measuring cylinder 6.Stopwatch 7.Funnel

Necessary tools

Experement part: Pour 25 ml of KOH solution into the calorimeter beaker, cover the beaker with a funnel we determined the temperature inside the glass and It turned out to be 24 degrees. Pour 25 mL of HCl into the beaker and after 30 seconds we determined the temperature again.

Shape of calorimeter. We determined the temperature again. It reached 30 degrees. Change can see all of them in the detailed table.

Table of temperature changes


Experience time

0

1.5

2

Solution temperature

24

30

30

During the experiment we proved that this reaction occurs NaOH + HCl → NaCl + H2O

Our first experience is over, see you again in new experiences goodbye!!!

Thank you for your attention.! By: Hamroyev Aslbek


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