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Mass and volume
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∙ 11y ago
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What causes substance to combine in different ways to make other substance?
The forming or breaking
How can you know density if the mass is unknown?
To find density if you have a known mass, you must have the volume that the mass occupies. Density is weight (mass) per unit of volume, so a volume for a given mass must be known to make a density statement. You must know the mass and volume to calculate density.
Can you determine the identity of unknown substance by observing its mass and volume?
No, you cannot. The mass and volume of an unknown substance will give you its density. Density is not a property that can identify a substance unless you know that it is pure but not if it could be a mixture. For example, sodium has a density of 0.97 g/cc and osmium a density of 22.6 g/cc. These two metals can be combined in various proportions to give an alloy with a density with any value between the two given numbers. I am not sure how stable such an alloy might be but the point is that you could make an alloy with the same density as tin, or iron, or lead or bronze or most other metals or metallic alloys that you care to name.
Is the particles of a pure substance different?
No. Because a pure substance, no matter if an element, compound, it can only contain one kind of particle .
How many Ml is 50 g Greek yogurt?
mL is a measure of volumeg is a measure of massYou need to know the density of the substance you are asking about if you want to convert between volume and mass:Volume (mL) = mass (g) / density (g/mL)(To make a guess you might assume the density of Gr.Yog. to be 1.0 g/ml:then the answer is 50 mL)
How can you make a substance with greater density greater than water float?
if the substance of the element has greater density you can make it float by carving it out so weight over volume of the object is lighter in effective density
What property of matter causes make a substance sink or float?
density
How can density be changed without changing the make up of the substance?
reduce the volume of the substance by compression or increase the volume of the substance by decompression This assumes the substance is compressible, such as air. In the case of water, you can't.
What causes substance to combine in different ways to make other substance?
The forming or breaking
How can you know density if the mass is unknown?
To find density if you have a known mass, you must have the volume that the mass occupies. Density is weight (mass) per unit of volume, so a volume for a given mass must be known to make a density statement. You must know the mass and volume to calculate density.
Why can't we use the same substance to make everything?
Water is a substance!!!! So how could you make houses with water. How could you make clothes with water. We need different substances for different things. !!!!!
What is the density in siltstone?
Silt is a mixture, not a pure substance. The density would depend on the mixture of minerals that make up the silt. Sand (quartz) has a density of about 2.5 g/cm3. If the silt is mostly sand then that would be a good approximation of the density.
Can you determine the identity of an unknown substance by calculating its density and observing chemical reactions?
Yes. You can divide the mass by the volume to find its density. Density is a property that can identify a substance.* * * * *No, you cannot! Density is not a property that can identify a substance unless you know that it is pure.All you can do is with mass and volume is determine the density of the substance, which could be a mixture. For example, sodium has a density of 0.97 g/cc and osmium a density of 22.6 g/cc. These two metals can be combined in various proportions to give an alloy with a density with any value between the two given numbers. I am not sure how stable such an alloy might be but the point is that you could make an alloy with the same density as tin, or iron, or lead or bronze.
What can density mass and volume help to tell you about a substance?
This is the density.
How does buoyancy and density relate to the world?
Any substance that does not dissolve when placed in water will displace a certain volume. The volume of water that is displaced has a certain weight and the equivalent of that weight of water creates a buoyant force on the object. If the density of the object is less than the density of water then the buoyant force will be enough to make the substance float.
Does changing the shape and amount of a substance change its density?
YES. The equation for density is D=M/V, that is density equals mass divided by volume. If the mass of an object is 4g and the volume of an object is 2ml then the density is 2g/ml. On the other hand if the mass of an object is 8g and the volume is 2ml, then the density is 4g/ml. Thus an increase in density. But be careful. If you are asking this: If I have more mass of the same substance is the larger mass more dense? In that case the answer is no, unless you are putting the larger mass into the same volume as the smaller mass.
How many mg does it take to make a liter?
There is not enough information. To convert a mass (mg) into a volume (L) you require the density of the substance you are measuring.
