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A pillow is less dense than a block of lead because lead is a much heavier and compact material, resulting in a higher density. The density of an object is determined by its mass divided by its volume, so the more mass packed into a given volume, the higher the density. Pillows are typically filled with light, fluffy materials like feathers or polyester fibers, which have a lower mass per unit volume compared to lead.
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Why a pillow is more or less dense then a lead sinker?
A pillow is less dense than a lead sinker. Density is defined by mass per unit volume. So, if you have the same mass (weight) of a pillow, and a lead sinker, which will take up more space (volume)? The answer is the pillow. Thus, it is LESS dense.
What quantities do you need to know in order to determine the amount of heat released by the lead sinker in cooling to the final temperature?
mass of water, initial temp of the water, final temp of water after the hot sinker is put into the water, the temp of the hot sinker (if it is heated in separate boiling water, the temperature of the water) and the specific heat of water ( 1 cal/g degree C)
What important assumption have you made in determining the amount of heat released by the lead sinker?
One important assumption made is that the heat released is solely due to the lead sinker cooling down and not influenced by external factors such as nearby heat sources or changes in environmental conditions. Additionally, it is assumed that the transfer of heat is uniform throughout the sinker and follows standard thermodynamic principles.
What has greater density silver or lead?
Lead has a greater density than silver. Lead has a density of 11.34 g/cm3, while silver has a density of 10.49 g/cm3.
Which has a larger density sand or lead?
Lead has a larger density than sand. The density of lead is about 11.3 g/cm^3, while the density of sand is typically around 1.5-2.7 g/cm^3.
Why a pillow is more or less dense then a lead sinker?
A pillow is less dense than a lead sinker. Density is defined by mass per unit volume. So, if you have the same mass (weight) of a pillow, and a lead sinker, which will take up more space (volume)? The answer is the pillow. Thus, it is LESS dense.
Which of these is homogenous lead fishing sinker sedimentary rock trail mix or iced tea with lemon?
lead fishing sinker
What quantities do you need to know in order to determine the amount of heat released by the lead sinker in cooling to the final temperature?
mass of water, initial temp of the water, final temp of water after the hot sinker is put into the water, the temp of the hot sinker (if it is heated in separate boiling water, the temperature of the water) and the specific heat of water ( 1 cal/g degree C)
Why can a lead block only float in mercury?
With a density of 13.5 g/cm3, mercury is the only liquid (at least at room temperature) denser than lead which has a density of 11.3 g/cm3.
What is the volume of a block of lead with the mass of 282.5 g?
Density = Mass/Volume so Volume = Mass/Density The density of lead is 11.3 grams per cm3 so volume = 282.5/11.3 = 25 cm3
What mass of lead is required to make a 1 cm cubed fishing sinker?
AnswerThe density of Lead is 11.35kg per cubic metre this means that 100cm X 100cm x 100cm = 1 cubic metre so 1000000 cubic cm makes 1 cubic metre 1 cm cubed of lead = 11.35/1000000 =0.00001135 kg 0.01135 grams of lead in 1 cm cubedEDIT: The density of lead is 11,340kg per cubic metre - not 11.35kgs - Water has a density of 1,000 kgs per cubic metre, lead does not float on water, but it would if a cubic metre of it only had a mass of 11.35kgs!Otherwise the formula used for the calculation above is correct.1cm3 of lead has a mass of 11.340g
300 ml equal how many pounds?
It depends (on the density what you are measuring). Block of Styrofoam would weigh less than a block of lead.
What is the volume of a 2 g block of lead?
The density of lead is 11.34 g/cc Therefore the volume of 2 g of lead will be 2/11.34 = 0.1764 cc
How do you find mass of lead block 20 cm x 20cm x 10 cm?
Find Volume (20x20x10)=400cm^3 Density of Lead is 11.34 g/cm^3 Use Formula D=Mass*Volume Divide volume over density 4000/11.34 352.7336861 grams (not using sig. figs)
What important assumption have you made in determining the amount of heat released by the lead sinker?
One important assumption made is that the heat released is solely due to the lead sinker cooling down and not influenced by external factors such as nearby heat sources or changes in environmental conditions. Additionally, it is assumed that the transfer of heat is uniform throughout the sinker and follows standard thermodynamic principles.
Lead has a density of 11340 kgm3 A block of lead has a mass 178.96 g. What is the thickness in cm of the block of lead if it has a length of 6.15 cm and a length of 4.6 cm?
Density = 11340 kgm-3 = 11.340 gcm-3 Then Volume = Mass/Density = 178.96 g/11.34 gcm-3 = 15.781 cm3 approx and Thickness = Volume/(Length1 * Length2) = 15.781/(6.15 * 4.6) = 44.304 cm.
Does every substance have its own mass-to-volume ratio?
Yes, the mass-to-volume ratio - commonly called the density - is a typical amount for any substance. For example, you can have a large block of lead, which is heavy, and a small block of lead, which is much lighter. But the density (mass-to-volume ratio) will be the same for both - about 11,000 kg/m3.
