what is the equation to find volume in chemistry?
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It can be written as: V = nRT/P. "P" is pressure, "V" is volume, n is the number of moles of a gas, "R" is the molar gas constant and "T" is temperature. Record the molar gas constant "R".
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The equation for molarity is: Molarity = moles of solute/liters of solution. If you know the molarity (concentration) of a solution and the total volume of the solution (make sure it is in liters), you can determine the number of moles of solute. You may then need to convert the moles of solute to grams.
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You calculate the volume of a cylinder by squaring the radius (r) of its cross-sectional area and multiplying by π and its height (h): V = πr2h.
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Molarity can be used to calculate the volume of solvent or the amount of solute. The relationship between two solutions with the same amount of moles of solute can be represented by the formula c1V1 = c2V2, where c is concentration and V is volume.
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Find the volume using a rectangular container. As explained here, you can find the volume of this box-shaped space by multiplying its length, width, and height together (length x width x height). The answer to this multiplication problem is the volume of the object.
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The formula for the volume of a rectangular solid, V=Bh V = B h , can also be used to find the volume of a cylinder. For the rectangular solid, the area of the base, B , is the area of the rectangular base, length × width. For a cylinder, the area of the base, B , is the area of its circular base, πr2 π r 2 .
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['The formula for the volume of a semicircle is:', 'V = ½•π•r²•h.', 'Volume of a uniformed shaped object such as an octagon column is derived by the following formula:', 'Volume = Area • Height.', 'The formula above uses the area of a semi-circle.', 'For the volume of polygon based objects (columns), see the following:']
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Let V be the volume of the cylinder, r the radius of the base, and h the height. Then, recall that the volume is equal to pi*r^2*h. That is: V = pi*(r^2)*h. We can solve this equation for r in order to calculate radius when given volume and height.
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The equation is fairly simple. The number of atoms of ANY substance in a volume is: # of atoms = N * (density) * volume / (Molecular Weight). N is a constant called Avogadro's number and its equal to 6.022*1023 atoms/mole.
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Multiply this number by the height to determine the cubic volume in inches. For example, if you have a tank that is 12 inches in diameter and 20 inches high, the calculation looks like this: Divide the cubic volume in inches by 231 in order to find the number of gallons.
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['Identify the solute and solvent: solute = barium chloride = BaCl2 solvent = water = H2O(l)', 'Calculate the volume of the solution: density = mass(solution) ÷ volume(solution) ... ', 'Calculate w/v (%) w/v (%) = (mass solute ÷ volume solution) × 100.']
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The formula for the volume of a solid rectangle is width x depth x height. Divide the volume by the product of the length and width to calculate the height of a rectangular object.
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Quick Review of Calculating Molarity To calculate molarity: Find the number of moles of solute dissolved in solution, Find the volume of solution in liters, and. Divide moles solute by liters solution.
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A volume (V) is the content of a body or object. Take for example a block (Fig 15). A block has a certain length (l), width (w) and height (h). With these three data, the volume of the block can be calculated using the formula: V (block) = length x width x height = l x w x h ..... (
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['Surface area of a cylinder = 2πr2 + 2πrh.', 'Volume of a cylinder = πr2h.', 'You need to know the radius and height to figure both the volume and surface area of a cylinder.', 'Answers for volume problems should always be in cubic units.', 'Answers for surface area problems should always be in square units.']
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Converting from volume (liters) to moles: Divide your initial volume by the molar volume constant, 22.4 L. Converting from moles to volume (liters): Multiply your mole value by the molar volume constant, 22.4L.
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For a pipe use its length instead of height: pipe volume = π * radius² * length , where radius = inner diameter/2 . The volume of a pipe is equal to the volume of a liquid inside (if a pipe is fully filled with it).