2023年8月9日 · Solve using units and it will become obvious. volume is in units of length cubed: e.g. meter^3; mass is in units of mass: e.g. kg; density is in units of mass divided by length cubed: e.g. kg/meter^3

2023年8月9日 · The formula for calculating the volume of a gas is V = nRT/P, where V is the volume, n is the number of moles of the gas, R is the gas constant, T is the temperature in Kelvin, and P is the ...

2024年6月2日 · Density = mass divided by volume (mass/volume) Example: A block of wood weighs 3.5 kg (or 3,500 grams) It is 9 cm x 4 cm x 55 cm (9 x 4 x 55 = 1,980 cm3) 3500/1980 = 1.768 grams/ cm3 Tags Chemistry

2024年5月21日 · For example, for a cube, the formula is volume = side length³. For a cylinder, it's volume = π * r² * h (π = 3.14, r = radius, h = height). Plug the values of the dimensions into the formula ...

2024年5月22日 · The formula for the volume of a cylinder using the circumference as a parameter is V = (π * C^2) / 4π^2 * h, where V is the volume, C is the circumference of the base, and h is the height of the ...

2024年5月21日 · To calculate the volume of the drum, use the formula for the volume of a cylinder: V = πr^2h, where r is the radius (half the diameter) and h is the height of the cylinder. The radius (r) is 80cm ...

2024年11月7日 · The formula to calculate the volume of concentrated acid (C1) needed to make a desired volume of diluted acid (C2) is C1V1 = C2V2. For example, to make 1 liter of 15% HCl solution from a ...

2024年6月5日 · To prepare 0.5N HCl from 37% HCl solution, you can use the formula C1V1 = C2V2 where C1 is the initial concentration, V1 is the initial volume, C2 is the desired concentration (0.5N), and V2 is ...

2024年5月20日 · You now have enough information to calculate the wire volume. First convert the length to inches: 2 feet = 24 inches. Now use the appropriate equation: V = (πd2L)/4: Volume = (π • (0.081 in)2 ...

2024年5月21日 · The volume of a rod can be calculated by multiplying the cross-sectional area of the rod by its length. The formula to calculate the volume of a rod is V = A x L, where V is the volume, A is the ...