Simplify this: A = 36.513, A+B = 40.968, What is B? Well it's 40.968 - 36.513 = 4.455
The core sample is a cylinder. The volume of any cylinder is (pi) x (radius)2 x (length).
The difference in water levels is equal to the volume of the sample [5.7 mL - 2.8 mL = 2.9 mL]. The density is mass/volume. Mass = 32.6 g [I'm assuming grams]. (32.6 g)/(2.9 mL) = 11.24 g/mL A reference check finds lead density at 11.34 g/cm³ near room temperature (wikipedia). A cubic centimeter and a milliliter have the same volume.
Statistically speaking, the mean is the most stable from sample to sample. Whereas, the mode is the least stable statistically speaking from sample to sample.
sample statistic
sample space
Use a graduated cylinder and the water displacement method. Pour the sample of water in the graduated cylinder and find its meniscus. That is its volume.
what?
after 5.63 gm sample of wood metal was added in a 10ml graduated cylinder the new water level is 8.7ml "http://wiki.answers.com/Q/Was_the_water_in_a_cylinder_before_the_sample_was_added" after 5.63 gm sample of wood metal was added in a 10ml graduated cylinder the new water level is 8.7ml "http://wiki.answers.com/Q/Was_the_water_in_a_cylinder_before_the_sample_was_added"
It really depends on how much you are measuring. Like over 100ml and I'd stick to a large graduated cylinder. Under 1 ml (possibly up to 5ml even) and you could keep adjusting a micropipette until all the sample is just taken up for an estimate. 5-100, you could use a graduated cylinder for an estimate and calibrate the graduated cylinder against a burette
A water sample has a volume of exactly 12.0000mL. This volume would be recorded 12.0mL if it were measured from a 50-mL graduated cylinder.
1. Apparent density: - weight a graduated cyllinder - put the sample in the graduated cyllinder up to a given volume (note this volume) - weight the graduated cyllinder with the sample - calculate the mass of the powder by difference - the density is the ratio mass of the sample/volume of the sample 2. True density of a powder: you need a helium pycnometer.
You need to buy a desk that will fit in a very small space. Before you shop, would you use a measurement tool just estimate the space? Explain.How could you use a 100-ml graduated cylinder to measure 100mL?What two tools are used to measure length? When would you use each one?
The core sample is a cylinder. The volume of any cylinder is (pi) x (radius)2 x (length).
then you would have a problem to find out the right amount of volume of the sample that you dropped in the cylinder.
Calculate the density. An easy way to do it--so long as you're dealing with metals that don't react violently when wetted--is to weigh the sample then drop it in a graduated cylinder with some water in it. The weighing gives you mass, the graduated cylinder gives volume, mass divided by volume gives density.
Drop it in water. Fill a graduated cyllinder with water to cover the sample and record the volume. Then gently lower the rock sample into the water and record how much the water rose. The difference is the volume of the rock. Drop it in water. Fill a graduated cyllinder with water to cover the sample and record the volume. Then gently lower the rock sample into the water and record how much the water rose. The difference is the volume of the rock.
No. Density is an intrinsic property and does not depend on the amount or size of the sample. If you are referring to finding the volume of an irregular solid by water displacement, then you will get a very large experimental error if the solid sticks out of the water. The amount of water added to the graduated cylinder initially, must be enough to completely cover the solid, before you place the solid in the cylinder.