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Which is not a property of a pure substance fixed composition uniform composition varying composition?
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What is the hardness of slate?
Slate is a rock of mixed mineral composition and does therefore does not possess a uniform Mohs hardness. Because of varying porosity along with other factors, the elastic modulus, or measurement of stiffness, of various slate specimens will vary.
What is the most useful property of the semimetals?
the varying ability to conduct electric current
What is the chemical composition of cocoyam?
Cocoyam contains varying amounts of calcium oxalate, potassium, zinc and magnesium. The proportions of these substances depend on the exact variety of the cocoyam.
Would it be possible for two pure substances to have exactly the same set of properties?
Not if they are solid substances (ie one is not hollow in the middle). That was how Archamedies worked out how to prove the gold crown was pure gold. The density of every substance (mass per unit volume) is unique. * * * * * Not so sure about the density of EVERY substance being different. Every PURE substance: probably yeas. But every substance? For example, the density of steel can be varied from 7.75 gcm-3 to 8.05 gcm-3, by varying the proportion of the other materials in the alloy. Presumably there are some other substances with a density in that range.
What physical property identify a substance?
There are many varying physical properties used to identify a pure substance. Some of the most prevalent physical properties are color, odor, density, melting and freezing points and solubility.
Which is a property of a pure substance uniform composition fixed composition varying composition?
A pure substance has a fixed and uniform composition.
Do compounds have varying compositions?
No. A compound will always have the same composition.
What is the hardness of slate?
Slate is a rock of mixed mineral composition and does therefore does not possess a uniform Mohs hardness. Because of varying porosity along with other factors, the elastic modulus, or measurement of stiffness, of various slate specimens will vary.
What is varying composition with two solid phrases?
It's when the anwser varies from things to things
What is the difference between substance and a pure substance?
A pure substance is one which contains only that substance and nothing else. An impure substance contains other substances in varying amounts.
What is meant by soil texture?
The composition of the soil according to varying proportions of different sized particles.
What is the most useful property of the semimetals?
the varying ability to conduct electric current
What is non uniform motion?
Non-uniform motion refers to the type of motion where the speed or direction of an object is changing over time. In non-uniform motion, the object is not moving at a constant speed or in a straight line. Instead, its velocity is varying, and it may be accelerating or decelerating.
What are the general requirements for a substance to change from one phase of matter to another?
A combination of varying pressure and/or temperature.
What is nozzleless propulsion?
Propulsion by means of uniform cross sectional ducts rather than a varying section (nozzle) is said to be nozzleless propulsion
Why there are lines in air wedge and circles in newton's rings?
In air wedge there is uniform separation between the two slabes but in Newtons ring the thickness is varying
What is duralamin made from?
Basically duralamin is a substance found on the lining of sheep intestines. It is a bround substance of varying viscocities. Duralamin can be found in fields in small piles like bunches of berries.
