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Why would we need to know the conductivity of a unknown substance?
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Is ability to conduct heat a chemical or physical property?
yes
What does it mean by substance A in paper?
If you mean what substances are present in paper, then it is principally cellulose. If you are asking about substance A in a question paper, it's a way of referring to an unknown substance so it can ask you questions based on the information given about it. For instance, if it says 'substance A turns damp red litmus blue' then you know that substance A is an acid.
What is caesium's electrical conductivity?
From some site: Electrical conductivity: 5.3 x 106 S m-1 In other words, I don't know what that means
Does the model of decay accurately represent the decay of a radioactive subsatnce?
If we are dating a substance on unknown age, no, this is because, we are assuming we know how much substance was initially present, also we assume there has been no contamination, lastly we assume the decay rate has always been the same.
How could you use the physical properties of melting and boiling point to identify a substance?
If you know the melting point and boiling point of a substance, you could look them up in a table to see what substances have those melting and boiling points. In practice, there are lots of other tests you'd probably want to do in addition, because in general there's no guarantee that an unknown substance is a single pure compound.
If a cubic box is filled with an 44.4g of an unknown substance then what is the density in g per m³ of that unknown substance assuming the box is completely full?
To answer that you would need to know the size (volume) of the box.
What is unknown substances?
an unknown substance is when you smell something and it can lead to any formula like exasopei and or hologrophuclas i know it sounds silly but its true
What mammals are unknown?
if they are unknown how would be know about them?
Is ability to conduct heat a chemical or physical property?
yes
How many unknown species are in the oceans?
It they are unknown how would we know if they are unknown
What is unknown?
an unknown substance is when you smell something and it can lead to any formula like exasopei and or hologrophuclas i know it sounds silly but its true
How would a scientist know that distilled water was pure?
The electrical conductivity is measured.
What is the element xenon's conductivity?
The electrical conductivity is not know, Thermal conductivity is 0.00565 W/(m·K)
What is still unknown about wind power?
If it's still unknown, how would anybody know it?
Is their an unknown Native American?
The definition of "unknown" is that nobody knows - so how would we know if there were?
What are ten unknown facts about Pocahontas?
There is no answer to your question. If the facts were unknown, then nobody would know them, right?
What is important of melting point?
Knowing the melting point of a substance provides information to determine what the substance is if its unknown. If you are making a substance, checking the melting point will let you know if you have made what you set out to make, (because impurities can mess up the melting point)
