Experiment: limestone you have learned that limestone is formed from a special mineral called lime. in this experiment, you will see what happens when limestone is mixed with vinegar. this experiment uses a knife. you will need an adult to you. you will need the following materials. piece of limestone pocket knife vinegar eyedropper follow these directions. 1. ask an adult to scrape the limestone with the pocket knife. this will loosen some of the grains. 2. gather the grains into a small pile on the top of the stone. 3. using the eyedropper, drop some vinegar on the grains. 4. watch and listen to what happens. answer these questions. what happened when you put the vinegar on the limestone grains?
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Physics, 21.06.2019 15:30
Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?
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Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion
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Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
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Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
Experiment: limestone you have learned that limestone is formed from a special mineral called lime....
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