Traditional Culture Encyclopedia - The 24 Solar Terms - What device can be used to control the reaction rate in junior high school chemistry experiment?
What device can be used to control the reaction rate in junior high school chemistry experiment?
Rubber head for drip irrigation-inserted on the rubber plug, the effect should be equivalent to a separatory funnel.
Water stop clamp-can control the circulation of liquid and gas when the pressure changes, so as to control the amount of reactants? To control speed.
In short, is the reaction rate reversed? What is the concentration of this substance? To control, just find an instrument that can control the amount of reactants?
Does the eye control the occurrence and stop of the reaction by controlling the liquid level?
Put the liquid in the lower left corner and add medicine from above. There is an air valve on the right to adjust the air pressure of the middle spherical container. The spherical container and the bottom are connected by a stable medium (glass wool and glass beads) with holes, so that the liquid can react with the reactants on the upper part of the medium. The reaction can be controlled by adjusting the gas valve and the amount of medicine to control the liquid level below.
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