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insens350 [35]
2 years ago
8

ASAPP Which electron below is furthest from the nucleus?

Chemistry
1 answer:
ddd [48]2 years ago
6 0

3) An electron in the 4s orbital

Hope it helps

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What is the charge of an aluminum atom that has 13 protons, 13 neutrons, and 10 electrons?
Tomtit [17]
Charge is +3.
The balance of protons and electrons is what affects the charge. The more electrons you have, the more negative the charge will be (this is only if you don't have the same number of protons and electrons ). If you have the same number of protons and electrons, that means the charge is neutral
In this picture you have 3 more protons.
Protons= positive
This means you will have a +3
5 0
3 years ago
Ciara’s bike has rusted, which means that the iron in the metal changed to rust.
seraphim [82]

Answer: C.

Explanation:

The rusting of Clara's bike in which iron changes to rust is a chemical change. In a chemical change: the process is not easily reversible.

4 0
3 years ago
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Dalton's atomic theory stated?
kondaur [170]
John Dalton in d year 1808 proposed d atomic theory.. 1.All elements are made up of small, indivisble particles called atoms. 2.Atoms can neither be created nor destroyed. 3.Atoms of d same element are alike in every aspect, &differ from atoms of all other elements. 4. When atoms combine with other atoms, they do so in simple ratios.
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3 years ago
One gram of liquid benzene is burned in a bomb calorimeter. The temperature before ignition was 20.826 ℃, and the temperature af
gtnhenbr [62]

Answer:fH = - 3,255.7 kJ/mol

Explanation:Because the bomb calorimeter is adiabatic (q =0), there'is no heat inside or outside it, so the heat flow from the combustion plus the heat flow of the system (bomb, water, and the contents) must be 0.

Qsystem + Qcombustion = 0

Qsystem = heat capacity*ΔT

10000*(25.000 - 20.826) + Qc = 0

Qcombustion = - 41,740 J = - 41.74 kJ

So, the enthaply of formation of benzene (fH) at 298.15 K (25.000 ºC) is the heat of the combustion, divided by the number of moles of it. The molar mass od benzene is: 6x12 g/mol of C + 6x1 g/mol of H = 78 g/mol, and:

n = mass/molar mass = 1/ 78

n = 0.01282 mol

fH = -41.74/0.01282

fH = - 3,255.7 kJ/mol

4 0
3 years ago
How is fractional distillation of crude oil related to stoichiometry
lora16 [44]

Answer:

Fractional distillation is the process by which oil refineries separate crude oil into different, more useful hydrocarbon products based on their relative molecular weights in a distillation tower.

8 0
3 years ago
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