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klemol [59]
3 years ago
8

Which element has 13 protons and 8 neutrons?

Chemistry
2 answers:
WINSTONCH [101]3 years ago
5 0

Answer:

only thing close I can see would be aluminun

Explanation:

atomic number of 13 and 8 2nd electrons in its shell.

Iteru [2.4K]3 years ago
4 0
Aluminum, the neutrons don’t determine the element the protons do
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WILL GIVE BRAINLIST
8_murik_8 [283]
I would choose C bc if u look at it closely u can notice it goes up steadily and then BANG it decreases a lot
4 0
3 years ago
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 20.4 g g of carbon were burned in the presence
Aleonysh [2.5K]

Answer:

C + O2 -> CO2

C 20.4/12 = 1.7

O 70.4-16.0/16=3.4

CO2 1.7 mol * 44 = 74.8

3 0
3 years ago
Using Equation (10), calculate [Ag+] in the cell, where it is in equilibrium with 1 M Cl- ion. (Ecell in Equation (10) is the ne
mixer [17]

Answer:

7.16x10⁻⁸M = [Ag+]

Explanation:

Using the equation:

E(Cell) =E⁰ - 0.0592/2 • log ([Cu2+]/[Ag+]²)

<em>Where E</em>⁰<em>= 0.4249V</em>

<em>E(Cell) = -(-0.0019V) -Measured value-</em>

<em>[Cu2+] = 1M</em>

<em />

Replacing:

0.0019V = 0.4249V - 0.0592/2 • log (1M/[Ag+]²)

-0.423V = - 0.0296 • log (1M/[Ag+]²)

14.29 = log (1M/[Ag+]²)

1.95x10¹⁴ = 1M / [Ag+]²

[Ag+]² = 5.12x10⁻¹⁵M

7.16x10⁻⁸M = [Ag+]

5 0
2 years ago
How many grams of ammonia (NH3) can be produced when 25 g of nitrogen gas reacts with 28 grams of hydrogen gas
Elis [28]

Answer:

34 g of NH₃

Explanation:

7 0
3 years ago
I need help I’ll give you brainliest
Svetlanka [38]

Answer:

2 or 3 i think

Explanation:

5 0
2 years ago
Read 2 more answers
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