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Glass is not a crystalline substance - it is an amorphous solid.
A pure substance
They will diffuse equally throughout the beaker
You can do that or you can zero balance the scale with the empty beaker on it before adding the substance to be measured to the beaker.
You need an analytical balance and a small beaker.
the three tools are, microscope, beaker, and heater!
Because, if you mix the two reactants while the beaker is on the balance than the world will explode into a gigillian pieces!!
Beaker, test tube, safety goggles, apron, and microscope.
Test tube, Beaker, Pipette, Safety Goggles, Measuring Cylinder
Usually you add a container to the balance then zero it. Then when you add something to the container e.g. a liquid or solid then when you place the container back on the balance the reading shows you how much you have added. Saves having to work out how much you added by weighing the container, weighing the container plus contents and then subtracting. Removes one possible source of error i.e. incorrect subtraction of values. Also faster/easier when trying to measure out a specific amount of a substance.
Any type of balance having the accuracy needed for your experiment.
Add conncentrated hydrochloric acid dropwise to a beaker containing pottasium permanganate crystals