The Crystal Stopper was created in 1912.
The volume of a rubber stopper can vary depending on its size and shape. To find the volume of a rubber stopper, you can use the formula for the volume of a cylinder or sphere, depending on the shape of the stopper. Measure the dimensions of the stopper and plug them into the appropriate formula to calculate the volume.
Waterford crystal typically does not come in blue glass bottles with stoppers. Waterford crystal is known for its high-quality clear lead crystal products, such as glassware, vases, and decorative items. Blue glass bottles with stoppers would be more characteristic of decorative glassware from other brands or makers.
If the stopper is left in place while liquid is draining a vacuum will be created in the separatory funnel and outside air will try to get in. The only way it can do this is through the opening that the liquid is trying to leave. The air pushes against the liquid and will greatly reduce or even stop its flow. If the stopper is removed no vacuum is created because the air can easily get in the top of the funnel.
The volume of the stopper can be calculated by subtracting the initial volume of the water from the final volume. In this case, the volume of the rubber stopper would be 30.9 ml - 25 ml = 5.9 ml. Now, divide the mass of the rubber stopper (8.46 g) by its volume (5.9 ml) to find its density. Density = Mass/Volume, so the density of the rubber stopper would be 8.46g / 5.9ml = 1.43 g/ml.
i don't know... That's why I'm asking you. soo.. Does a rubber stopper float in water?
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