HNO3 is Nitric acid
HNO3 can be called hydrogen nitrate if gaseous so watch out for state symbols...
HNO3(l) =nitric acid
HNO3(g) = hydrogen nitrate
saltpetre is a potassium salt KNO3
Nitrous acid is HNO2
hope that helps
Hi,
14H
15B
16J
17A
I hope this helps. If you’d like further explanation please let me know.
Answer:
C.
Explanation:
Answer A is incorrect because a compound doesn't have to be made with only metals.
Answer B is incorrect because that is actually the definition of a pure element.
Answer C is correct because to make a compound, there has to be a chemical reaction where bonds are formed and an entirely new substance is created.
Answer D is incorrect because compounds cannot be separated by physical means.
Hope this helps :D
<span>Li ----> Li+ + e-(oxidation)
now comes </span>
<span>Reduction: </span>
<span>H2 + 2e- ------> 2H
now by
</span>Multiplying (1) by 2 and adding in (2) will give you the required equation..
..
<span>2Li + H2 ---------> 2LiH
</span>half reaction are either oxidation or reduction
