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3 years ago

When objects touch each other, charge can be transferred by

Chemistry

1 answer:

Dovator [93]3 years ago

7 0

Answer:

friction

Explanation:

electrons from one uncharged object to another uncharged object by rubbing. When two uncharged objects rub together, some electrons from one object can move onto the other object. hope this is your right

and not just a riddle

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Please help make sure its correct thanks

Wewaii [24]

The empirical formula of metal iodide : CoI₃(Cobalt(III) Iodide)

<h3>Further explanation</h3>

13.02 g sample of Cobalt , then mol Co(MW=58.933 g/mol) :

$\tt mol=\dfrac{mass}{Ar}=\\\\mol=\dfrac{13.02~g}{58.933}\\\\mol=0.221$

Mass of metal iodide formed : 97.12 g, so mass of Iodine :

$\tt =mass~metal~iodide-mass~Cobalt\\\\=97.12-13.02\\\\=84.1~g$

Then mol iodine (MW=126.9045 g/mol) :

$\tt \dfrac{84.1}{126.9045}=0.663$

mol ratio of Cobalt and Iodine in the compound :

$\tt 0.221\div 0.663=1\div 3$

5 0

2 years ago

What is the cation and anion of NaOH

Wewaii [24]

Answer:

naoh is called sodium hydroxide,

Explanation:

hope this helps

6 0

3 years ago

Read 2 more answers

What is Industrial chemistry?

mel-nik [20]

Answer:

study of chemical used in industries

6 0

2 years ago

If you made a three-dimensional model of an atom and its nucleus, how would you represent the atom? 7th grade

Gemiola [76]

Answer:

it shows the breakdown of the atom

Explanation:

it will show it molecularly

7 0

3 years ago

How did rutherford know that the nucleus was positively charged?

AleksAgata [21]

'cause alphe-particle which was +ve charge, get repulsion from the atom, so he deducted that.......

3 0

3 years ago