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What separation is used to separate red and blue marbles of the same size and mass?
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How do you separate red and blue marbles of same size and mass?
Chromatography
A can with 40 marbles in it weighed 135 grams The same can with 20 marbles weighed 75 greams What is the mass of the can?
7.5 grams
What is mass fraction?
It is a term used to denote the part, or fraction, of something that actually has mass, or the amount of a specific element within a compound. For example, think of a jar full of marbles. There is some space in between the marbles that is empty, yes it contains air but for the purpose of this example consider it to be empty space. If the total volume of the jar the marbles occupy is 95%, then you could say that the mass fraction in the jar is 95% of the total volume. You could also think of this in another way. Compounds are made up of various elements. Say you have common bleach, sodium hypochlorite, NaOCl, and you want to know what % of bleach is actually chlorine. The total weight of a molecule of NaOCl is 74 g/mol. Since Cl weighs 35g/mol the mass fraction of chlorine in NaOCl is 35/74 *100% or 47.29%.
Three blue cubes and two green cubes have a mass of 22 grams. two blue cubes and three green cubes have a mass of 23 grams. what is the combined mass of one blue cube and one green cube?
From the question: 3b+2g=22 2b+3g=23 we add up the equations: 5b+5g=45 divide by 5: b+g=9 So the combined mass is 9 grams.
What things weigh 100 tons?
A blue whale has a mass of over 100 tons.
What separation technique can be used to separate a red and blue marbles of same size and mass?
A technique called chromatography or a technique called filtration could be used to separate the red and blue marbles. chromatography would depend on the differences in solubility between the red and blue marbles, while filtration would depend on differences in size or density between the marbles.
How do you separate red and blue marbles of same size and mass?
Chromatography
How would you separate a red and blue marbles of the same size and mass?
At the simplest level, one would analyze the color of each marble, creating two piles of marbles (one red and one blue). If the person was not able to see colors, they might consider using a spectrometer (spectrograph). Measuring each marble individually, each marble would be placed in the device and the wavelength would be displayed by the device. Based on the wavelength (red is in the range of 620-750nm and blue is in the range of 450-475nm), the person would still create two piles of marbles, the higher wavelength one (indicating red) and the lower wavelength one (indicating blue).
A can with 40 marbles in it weighed 135 grams The same can with 20 marbles weighed 75 greams What is the mass of the can?
7.5 grams
Why can't you separate uranium isotopes through chemical means?
Uranium isotopes have the same chemical properties due to their identical electron configurations, making it challenging to separate them using traditional chemical methods. The separation is usually achieved through physical methods, such as centrifugation or gas diffusion, which rely on the small mass differences between the isotopes.
How much is 3 moles of marbles?
The number of marbles in 3 moles will depend on the molar mass of the marbles. To calculate this, you need to know the molar mass of the type of marble you are referring to (for example, regular glass marbles have a molar mass of about 24 grams/mol). Then you can use Avogadro's number to convert moles to the actual number of marbles.
Which device can be used to separate isotopes of an element?
A gas centrifuge is commonly used to separate isotopes of an element by exploiting the small mass differences between isotopes. By spinning at high speeds, the heavier isotopes migrate closer to the outer edge of the centrifuge, allowing for their separation.
What procedure would you use to find the density of the marbles?
To find the density of marbles, you would measure the mass of a certain number of marbles using a balance scale, then calculate the volume by either measuring the dimensions and using a formula for the shape of the marbles or by displacement method with water. Finally, divide the mass by the volume to determine the density of the marbles.
Why does heavier marble roll slower than a lighter marble down a slope?
Heavier marbles have more mass, so they have more inertia and resist acceleration more than lighter marbles. This results in slower acceleration and slower rolling speed down a slope compared to lighter marbles.
How can you determine density of a mrble?
Use a scale to find the mass of several marbles. Put some water in a graduated cylinder. Take a reading. Place all the marbles in the grad. cylinder with the water, which will rise. Take another reading. Make sure the marbles are completely submerged. Subtract the 2 readings. This gives the volume of the marbles. This is called the water displacement method. Divide mass by volume. This gives you the density.
How does the density of one marble compare with the density of six of the marbles?
The density of one marble is the same as the density of six marbles when compared in terms of mass per unit volume. Since the density remains constant regardless of the number of marbles, the ratio of their densities is 1:6.
What causes a suspension to separate when left undisturbed?
A suspension will separate when left undisturbed due to the settling of the particles in the mixture. Particles with larger size or mass will settle faster under gravity, leading to the separation of the solid component from the liquid component in the suspension over time.
