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Trava [24]
3 years ago
11

Why are alphabets in the order they are?

Chemistry
1 answer:
sineoko [7]3 years ago
4 0
Its arbitrary. It was developed on the greek phoenetic system and never reallybwas explained.
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What is the identity of an alpha particle?
Basile [38]
The correct answer is Helium Nucleus. Hope this helps.
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3 years ago
What kind of substance should be handled in a fumed chamber?
svet-max [94.6K]

Answer:

D. flammable​

Explanation:

Hope this helps :)

4 0
2 years ago
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7. A nonpolar covalent bond (i.e., pure covalent) would form in which one of the following pairs of atoms? A) Na Cl B) H Cl C) L
padilas [110]

Answer:

E) Br Br

Explanation:

Covalent bond -

Covalent bond is the bond which is formed with the sharing of the electrons between the two atoms which are taking part in the bond. It is generally formed between the atoms with similar electronegativity values.

It is the bond which is generally occurs within non metals as they share electrons to complete their octet.

The difference in the electronegativity values of the atoms involving in a covalent bond must not exceed the value of 1.7 .

A covalent bond to be non polar in nature , then the atoms need to have almost similar electronegativity , so that they won't split into partial negative and partial positive charge .

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8 0
3 years ago
If 20.0 mL of a 0.0800 M HNO3, 35.0 mL of a 0.0800 M KSCN, and 40.0 mL of a 0.0800 M Fe(NO3)3 are combined, what is the initial
Tems11 [23]

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0.0295M

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As you can see, in the mixture you have KSCN and other compounds. The KSCN in solution is dissolved in K⁺ ions and SCN⁻ ions. That means initial concentration of SCN⁻ ions is the same of KSCN, 0.0800M.

You are adding 35.0mL of this solution and the total volume of the mixture is 20.0mL + 35.0mL + 40.0mL = 95.0mL.

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And the concentration of SCN⁻ is:

0.0800M / 2.714 =

<h3>0.0295M </h3>

4 0
3 years ago
Balancing oxidation-reduction reactions <br> Mg+ N2—&gt;Mg3N2
BartSMP [9]

Answer:

{ \sf{3Mg_{(s)} + N_{2(g)} →Mg _{3}N_{2(s)}}}

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3 years ago
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