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How is the unknown oxidation state of an element within a compound determined?
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How is an unknown oxidation state of an element within a compound?
It is determined from known oxidation states of other elements.
How is an unknown oxidation state of an element within a compoud determined?
In a compound the sum of oxidation states of the elements contained is zero.E1 + E2 + ... = 0If you know the oxidation states of the elements E1... you can calculate the oxidation state of the element E2.
Suppose you were given an unknown liquid and asked to determine if it was an element a compound or a mixture What would you do How would this help you find out what it was?
If I was given an unknown liquid and asked to determine if it was an element, a compound, or a mixture I would heat the unknown liquid up to see if any compounds separated from the unknown liquid. After that I would get a microscope and look to see if it is a pure element. Then I would get a Platelet separation machine and put the liquid in the machine to see if the liquid separated. Thats how I would determine if the an unknown liquid is an element, a compound, or a mixture.
How do you identify whether the unknown chemical is element or compounds?
Previous answers are off point. Presumably you are given a sample of something and want to know whether it is is a compound or an element. There are several ways of finding out:- Investigate its chemistry. See how it reacts with oxygen, hydrogen, calcium, or various acids.- Investigate its physical chemistry. Does it have a well defined melting and boiling point? If not, it isn't an element.- X-ray studies. The absorption edges from an x-ray spectrum will identify the element(s) that may be present.
A binary compound between an unknown element E and hydrogen contains 91.27 E and 8.73 H by mass If the formula of the compound is E3H8 calculate the atomic mass of E?
http://answers.yahoo.com/question/index?qid=20071202122059AAVQWr8
How is an unknown oxidation state of an element within a compound determined?
It is determined from known oxidation states of other elements.
How is an unknown oxidation state of an element within a compound?
It is determined from known oxidation states of other elements.
How is an unknown oxidation state of an element within a compoud determined?
In a compound the sum of oxidation states of the elements contained is zero.E1 + E2 + ... = 0If you know the oxidation states of the elements E1... you can calculate the oxidation state of the element E2.
Suppose you were given an unknown liquid and asked to determine if it was an element a compound or a mixture What would you do How would this help you find out what it was?
If I was given an unknown liquid and asked to determine if it was an element, a compound, or a mixture I would heat the unknown liquid up to see if any compounds separated from the unknown liquid. After that I would get a microscope and look to see if it is a pure element. Then I would get a Platelet separation machine and put the liquid in the machine to see if the liquid separated. Thats how I would determine if the an unknown liquid is an element, a compound, or a mixture.
An unknown element X can form a compound with the formula XBr3 In which group on the Periodic Table would element X be found?
13
What element forms a compound having the formula KXO4?
if X simply represents and unknown, then the compound would be potassium permanganate, KMnO4
How do you identify whether the unknown chemical is element or compounds?
Previous answers are off point. Presumably you are given a sample of something and want to know whether it is is a compound or an element. There are several ways of finding out:- Investigate its chemistry. See how it reacts with oxygen, hydrogen, calcium, or various acids.- Investigate its physical chemistry. Does it have a well defined melting and boiling point? If not, it isn't an element.- X-ray studies. The absorption edges from an x-ray spectrum will identify the element(s) that may be present.
What Lewis diagrams of four unknown elements is most likely to form a covalent compound with oxygen?
If it is just one element, the Lewis diagram with two unpaired electrons will form a covalent compound with oxygen.
When might it be helpful to identify an unknown element?
It is helpful to identify an unknown element when you are exposed to a lot of it. This element could be very dangerous to you.
What experimental evidence about a new compound must be known before its formula can be determined?
In a laboratory the mysterious compound is initially weighted and then will undergo reactions to be broken down into its constitutes. The individual elements or other compounds will be determined and then be weighed. Using information known on those elements and compounds, scientist will be able to discover the molar mass for each of them. Using the equation n = m/ M (mols = mass over (divided by) molar mass) they are able to determine the moles for each of the elements/compound. the unknown compound will be determined by the product with the lowest number of moles (closest to zero) have its number dividing all the other products (see it as for each mole of that element/compound there will be a requirement of N amount of moles from the other product(s)). This result will give the ratios for the constitutes in the unknown compound (the subscripts). This formula here will be the empirical formula (which may not be the actually formula for the reaction, it is the simplest ratio). Let the unknown compound be X. A and B are the resulting constitutes of X. After determining the correct mols of A and B where B moles is closest to 0, we divide Amols by Bmols and the resulting number is near a whole number. This number will be the subscript for A and will determine the empirical formula of X. If Bmols = 1 and Amols = 2 the unknown compound will have the empirical formula of A2B.
Is unknown a compound word?
no
A binary compound between an unknown element E and hydrogen contains 91.27 E and 8.73 H by mass If the formula of the compound is E3H8 calculate the atomic mass of E?
http://answers.yahoo.com/question/index?qid=20071202122059AAVQWr8
