What is the density of an object with a mass of 120 g and a volume of 7 mL?
review for density, buoyancy and viscosity unit test
| Question | Answer |
|---|---|
| What is the density of an object with a mass of 120g and a volume of 7mL? | 17.14g/mL |
| What is the volume of 220g of an object with an density of 55g/cm3? | 4cm3 |
| If you measure the volume of a regular object, the units will be what? | cm3 |
How do you find density with initial and final volume?
Calculating density uses the formula D = m ÷ v, where D means density, m means mass and v means volume.
What is the final volume of gas?
Assume that the pressure and the amount of the gas remain constant. Solving for the final volume, V f = 22.7 L. So, as the temperature is increased, the volume increases. This makes sense because volume is directly proportional to the absolute temperature (as long as the pressure and the amount of the remain constant).
How do you find the volume of a gas in Charles Law?
Based on the definition of Charles’ law, we can write the Charles’ law equation in the following way: V₁ / T₁ = V₂ / T₂ , where V₁ and T₁ are initial volume and temperature, respectively. Similarly, V₂ and T₂ are the final values of these gas parameters.
Does more volume equal more pressure?
Volume is inversely proportional to pressure, if the number of particles and the temperature are constant. There are two ways for the pressure to remain the same as the volume increases. So if the number of particles and the pressure are constant, temperature is proportional to the volume.
Does water pressure increase with volume?
As you go deeper into a body of water, there is more water above, and therefore a greater weight pushing down. This is the reason water pressure increases with depth. The pressure depends only upon the depth, and is the same anywhere at a given depth and in every direction.
What is the type of relationship between density and pressure?
The higher the density of an object that is exerting the pressure, the higher the pressure on the object on which the pressure is being exerted. It follows that the higher the pressure exerted on an object, the higher will be its density because the object will be compressed.
Which law gives the relation between density and pressure?
Boyle’s law states that for a given mass and at a constant temperature, the pressure P times volume V is always constant. PV=C, where C is a constant. Therefore, the relation between pressure and density is given by Boyle’s law.
What is the relation between pressure and density of a gas at constant temperature?
According to the Boyles law, at constant temperature the pressure is directly proportional to the density of a fixed mass of the gas.