Calculate the weight of mercury in the jar

42 kg

37.5753 lbs

To calculate the weight of mercury in the jar, you'll need to know the volume of the mercury and its density. Here's how you can do that:

1. Determine the volume of the jar: If the jar is a regular shape with known dimensions, such as a cylinder or a rectangular prism, you can use the appropriate formula to calculate its volume. For example, the volume of a cylinder can be calculated using the formula V = πr²h, where r is the radius of the base and h is the height. If the jar has an irregular shape, you can use a displacement method: partially fill the jar with water, record the change in water volume after immersing it with mercury, and subtract the volume of the jar itself.

2. Determine the density of mercury: The density of mercury is approximately 13.6 grams per cubic centimeter (g/cm³). This means that for every 1 cubic centimeter of mercury, it weighs 13.6 grams.

3. Multiply the volume of the jar (in cubic centimeters) by the density of mercury. This will give you the weight of the mercury in grams.

For example, if the jar has a volume of 100 cubic centimeters, the weight of the mercury can be calculated as:

Weight = Volume x Density
Weight = 100 cm³ x 13.6 g/cm³
Weight = 1360 grams

So, in this example, the weight of the mercury in the jar would be 1360 grams.