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What is the density of a drop of water that has a volume of 0.05 cm3 and a mass of 0.05g?
Wiki User
∙ 10y ago
It 1.00 gram/cm3
Wiki User
∙ 10y ago
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1 million drops of water equals?
It depends on the volume of the drop, temperature, pressure, and purity of the water. Are you looking for volume or mass?
If you drop a marble into a glass of water the marble will sink because its?
Because the marble has a higher density than the water does
How many drops equal 200 mg?
generally, 1 drop of water = 0.05 ml. As density of water is 1g/cm3. This 1 drop = 0.05 mg. OR 1 mg = 20 drops. therefore 200 mg = 200*20 = 4000 drops (approximately).
How will knowing the density of a substance help you determine whether an object made from that material will float in water?
If an object is to float in water it must displace a volume of water equal to its weight; knowing the density of the substance that makes up the object allow a calculation to be made of the volume of water that must be displaced so that the object will float. If a substance has a density greater than that of water, it can be made to float by, for example, making it hollow; for example a ship made out of steel can be made to float as it has lots of hollow space inside it which means its effective density is less than that of water. Should the hull be compromised in any way, or by "splashing" over the top, the effective density can increase to the point where it is greater than that of water and the ship will sink. The density of water is not constant as it depends upon its temperature and things (like salt) dissolved in it; it was this change in density that led to loss of shipping and cargo which prompted the invention of the Plimsoll Line which is marked on the side of ships - it shows where the surface of water will be in different types of sea [water] for a given loading (the Line itself marks the maximum safe load). However, for small solid objects made of a substance of a greater density than that of water can still be made to float by using the surface tension of water: a clean sewing needle can be made to float if dropped very gently onto some water* as the force provided by the surface tension is enough to prevent the needle from passing through. If the surface tension is disrupted, for example by agitating the water, or by a drop of washing up liquid, the needle will sink. * If you don't have a steady enough hand: laying the needle on a piece of blotting paper or tissue paper and gently putting the paper on the water will make this easier to achieve - the paper will fairly quickly soak up water and sink away leaving the needle floating on the surface [tension].
How do you find the volume of metal balls?
you need to know the radius of the ball (=sphere) then you can use this formular: 4/3 * pi * r3 Use the displacement method. The displacement method is when you get a measuring cup or measuring cylinder and put enough water to where it will cover the ball and then measure the amount of water afterwards drop the balls in. See how much you end up with. Take how much you came out with then subtract the amount you begin with. Example: Mary had 22 ounces of water and then dropped in a metal ball then she had 31 ounces of water. 31-22=9, so 9 ounces is the volume. -Cheyenne
What happens to water when it is heated up to 100 degrees?
The water becomes 100 degrees and is warm to the touch.
What materials you need to find the density of aluminum?
You need some aluminum, a scale to determine the mass, and a measuring cup halfway filled with water to determine the volume of the piece of aluminum by substracting the volume after and before you drop the piece of aluminum in the water. Then you can calculate the density of the aluminum = mass / volume.
Does volume alone determine weather an object will float or sink?
No. A very big rock has a great deal of volume- but it also has a great deal of weight. Drop it in water, and it will sink like a........rock. It is the weight per measure of volume that determines density. If the density is less than the liquid, it floats. Greater than the density of the liquid, it sinks.
How could you tell if a liquid has a higher or lower density than water?
If a liquid does not mix with water and you pour a little water on the liquid, then if the water sinks, the water has a higher density than the liquid; otherwise, the liquid has a higher density. If a drop of the water dissolves in the liquid, then you weigh an equal volume of both liquids. The heavier one has the higher density.
How could you find the density of a potato?
first, you weigh it to get its mass. then you acquire its volume, since it has an irregular shape, you apply water displacement method. get a calibrated cylinder, note the initial water level and gently drop the potato in. measure the resulting water level and subtract it with the initial water level. this is your volume. density= mass/volume simply divide what you measured in grams with the volume of the potato (cm3). unit of density is grams per cubic centimeter or g/cm3
Is the density of liquid water 1 grams per millaliter?
Not always. The density of water is 1 gram/mL at around 4 degrees Celsius. As temperature rises, kinetic effects kick in causing the volume per unit mass of water to increase, thus decreasing the density of water. Interestingly enough, the density of ice (frozen water) is also less than liquid water. The formation of ordered crystal lattices occupying relatively large amounts of space causes the rise in volume and an overall drop in density.
What is the mass of 1 water drop?
This depends on the volume of this drop.
What is the mass of a coin-?
Drop 10 coins of the same size and mass into a container filled with water, making sure that the water that overflows from the container is collected. Now measure the volume of the water overflow an multiply it with the density of water which is 1 kg/l. Now divide the total mass by 10 to get the mass of one coin.
Is liquid water denser than ice?
Yes. Because it has been observed that, when same mass of water is converted into ice, the volume increases up to nearly 1/11 th of that of the water. As density=mass/volume, so density is inversely proportional to volume. Simple experimental demonstration: -- Drop ice in water. -- Ice floats in the water. -- Ice must be less dense than the water, else it would sink. QED
What is the volume of a drop of liquid?
1/15th of one millilitre.
How dense can ice get?
To calculate the density of any object all you need to do is measure the mass and volume. Density = mass/volumeThe density of ice is less than water(which is why only the top of lakes freeze in the winter). For those that want to find the density while it is floating in water look below: Imagine a cube of ice floating in water. In order for it to float the force of gravity on the ice must equal the force of buoyancy on the ice. The force of buoyancy as described by Archimedes is equal to the mass of water displaced by the ice. Lets say the ice is x cm below the level of the water. then: force buoyancy = (density of water)*volume*gforce buoyancy = (density of water)*(area of ice cube)*x*g where g is the acceleration due to gravity equating this to the force of gravity gives: (density of water)*x = (density ice)*(total height of cube) hope that helps.
A drop of water has a volume of 0.05mL how many water molecules does it contain?
How big is a drop? "A drop" is not a precise measurement. It depends on a number of factors. If you measure how big the drops of water are you're talking about, (in millilitre) then you could figure out the number of molecules based on the fact that Avogadro's number of water molecules have a volume of about 18 milliliters. Avogadro's number is 6.022 * 1023 (particles) per mole One drop: average volume about 0.05 ml = 0.05 g Molar mass of water 18.01 g/mol Meaning: about 1.7*1021 molecules in a drop of water: don't start counting them!!
