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Q: An equal-arm balance do you measure first mass or volume?

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A hydrometer measures the density of a fluid.Pycnometer to measure densityDensity cannot be measured directly. You must find the mass of the liquid and its volume. You would use a graduated cylinder to measure the volume of a liquid, and you would use a scale or balance to measure its mass. To measure the mass, first measure the mass of an empty beaker or cylinder. Then place the entire volume of the liquid into the beaker. Then measure the mass of the beaker or cylinder with the liquid. Subtract the first mass measurement from the second mass measurement. The result is the mass of the liquid. Then, use the density equation, density = mass/volume, to calculate the density of the liquid.A test tube

You can dip the irregular solid in a water or other suitable liquid. This is how, you can measure the volume of the solid. The mass can be measured by weighing scale. Mass/volume = density. It is easy to measure the mass and volume of the liquid. First measure the mass the container. Then add the liquid to it. You will get the mass of the liquid. Then measure the volume of the liquid. Use the above formula to calculate the density of the liquid.

You must first decide what property of the straw you want to measure: its length, its thickness, its mass, its volume, its color, etc.

Density cannot be measured; it can only be calculated by the formula: density = mass/volumeHydrometerPersonally the only intruments you need is a formula, wieghing machiene and the knowledge of the area. Does this help?There is no real "Instrument" to measure density, but there is a way to find out. First you need a triple beam balance, to measure the mass of the object. After you find out the mass, you need to find the volume, height X width X length, whitch will equal the volume, after that, you need to divide mass, by the volume, then BOOM! you get you answer to density.NOTE: This is off the top of my mind, I did do a little "refreashing" but I believe it to be right. IF - Only IF I'm wrong, sorry! But I do believe that I am right.There is no real "Instrument" to measure density, but there is a way to find out. First you need a triple beam balance, to measure the mass of the object. After you find out the mass, you need to find the volume, height X width X length, whitch will equal the volume, after that, you need to divide mass, by the volume, then BOOM! you get you answer to density.NOTE: This is off the top of my mind, I did do a little "refreashing" but I believe it to be right. IF - Only IF I'm wrong, sorry! But I do believe that I am right.The answer to What instruments do u use to measure density is balance and gradulated cylinderDensity is the mass of a substance in a single UNIT of volume Usually GRAM per CUBIC CENTIMETRE. You need a container which has a volume of exactly 1cc (cubic centimetre) or a lump of the solid which has been cut to measure 1 cm on all edges (a centimeter cube) now you need weighing Scales to find out how much the Cubic cm. weighs. Result is written thus: e.g. 56 gm/cc. Or lb/ ft cubes (pound per cubic foot) you may prefer to have a result in lb/ inch cubed.i believe you use a triple scale balance beam and a graduated cylinder2. Density is defined as the mass per unit volume.To calculate density, we will need to weigh our specimen, and ten to measure its volume.For that we will need a mass balance or scale; and a measuring stick of appropriate size.If your sample is of inconvenient shape, then you can determine its volume by immersion in a suitable liquid.1. The tools you would use to measure density are measurement , and water displacementDensity is calculated as mass over volume"Densitometere" is the device that measures density.

You must first decide WHAT you want to measure about the potatoes - their diameter, circumference, mass, volume, etc. To buy or sell potatoes, the mass (commonly called "weight") is most relevant.

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You have to first measure the amount of water in the bath, then measure the amount of water after the person is in the bath. The difference is the volume of the human body. You have to first measure the amount of water in the bath, then measure the amount of water after the person is in the bath. The difference is the volume of the human body.

The same way you measure the density of any other material. Divide the mass of a sample by its volume.

A hydrometer measures the density of a fluid.Pycnometer to measure densityDensity cannot be measured directly. You must find the mass of the liquid and its volume. You would use a graduated cylinder to measure the volume of a liquid, and you would use a scale or balance to measure its mass. To measure the mass, first measure the mass of an empty beaker or cylinder. Then place the entire volume of the liquid into the beaker. Then measure the mass of the beaker or cylinder with the liquid. Subtract the first mass measurement from the second mass measurement. The result is the mass of the liquid. Then, use the density equation, density = mass/volume, to calculate the density of the liquid.A test tube

In order to find the volume you must first find the mass. The formula for volume is V=M/D, so mass needs to be found first.

This answer can be answer to a question that describe measure and observe First I would begin by observing the color and texture of the liquid.Then measure the volume using a graduated cylinder , the mass using a balance , and the temperature using a thermometer.

Measure the mass first i.e. Body weight , then measure the volume of the body by immersing in known quanity of water contained in a tub, measure the quantity of water displaced, which provides the measure of volume . Divide the Body weight by volume of the body.

You can't convert millimeters into liters - the first is a measure of length, and the second is a measure of volume.

first you must weigh it and then you must measure all it's side first you must weigh it and then you must measure all it's side

We first measure its mass m/g using a balance. Then, we find its volume V/cm3 the displacement method. This is done by finding the volume of water it displaces when it is placed in a measuring cylinder of water. Its density d is given by: d= m/V gcm-3

First decide what you want to measure about the virus: its diameter, its volume, its mass, etc.

It truly doesn't matter which you measure first. Unless you are trying to find a property of something that is dependent on either mass or volume, but not the other; in which case you would find first the one you need to make the unknown property.

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