Determine the oxidation ruber of the elements in ench of the following a. HOO 2

Question

Determine the oxidation ruber of the elements in ench of the following a. HOO 2 Ideaify the species being orodized and redsced in each of the following reactions c.2As@e3adg 2 AsCh reactions to occu? C00C10: Fall 2017 Homework#8 p.e 10a3] CHEM 128 . The specic heat of ethanol is 246C. Fnd the bent eory (in kD which is of waner form 10.55o4732°C 6 A 150g sample of 45i mixed with a 200 g sagle of 840"C waes Find the fisal teaperature of the system 7. A soluton is prepared with 0.355 g of oxalic acid 28 25 sid. uiknoui solution of potassim pete is needed to titrate dhe solution Waat is

Explanation / Answer

Ans 1 :

The oxidation number of elements in a compound can be determined by looking at the default oxidation states of the other elements.

So the in the compounds mentioned here , the oxidation states are :

H2CO3 :

H = +1

C = +4

O = -2

N2 :

N = 0

NO2- :

N = +3

O = -2

LiH :

Li = =1

H = -1

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