c and h.Thank you. #2 PORT PROCEDURES 3.1 3.5 3.1 Brownian Motion-Demonstration:

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c and h.Thank you.

#2 PORT PROCEDURES 3.1 3.5 3.1 Brownian Motion-Demonstration: In order to understand how substances molecules are in constant motion. Molecular motion pass through a membrane, it is important to realize that kinetic is a form of energy: the translational, vibrational, and rotational energies of molecules. Although individual atoms to see here, their existence is revealed by the are impossible jiggling--called Brownian motion--of minute particles suspended in water serve the demonstration set up on the microscope. It is a solution with small particles of pigment (ink) 1. dissolved in water on a slide, set it up under a microscope at high power (40ox). 2. Answer the questions given on the lines provided below each one Brownian Motion Observations, Analysis and Conclusion: a. Do the particles move randomly or in a definite path? b. Can you see the water molecules? Are the water molecules moving? c. is the movement movement of its own molecules or to bombardment by water of a particle due to the molecules? Explain. molecules d. Would an increase in temperature increase decrease the rate of Brownian movement? Explain. or 3.2 Simple Diffusion Demonstration & Observations: will 2 beakers filled with distilled water (1 hot/1 cold) are set up at the front of the room. A drop of food coloring of be added to each at the start of lab. Observe the beakers at Time 0, min & 5 min. SKETCH your observations 1 (c): the progress of cofor distribution in the solutions at each time point. Label which is hot (H) and cold T 5 T 1

Explanation / Answer

c) Particles are dissolved in water means that they form bonding with water molecules and its movement depends on water molecules.

h) Answer :

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