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zavuch27 [327]
4 years ago
8

Which quantity can vary among atoms of the same element?

Chemistry
1 answer:
nikdorinn [45]4 years ago
5 0

Answer:

electrons.

Explanation:

An atom can lose negatively charged electrons turning it into an ion which is simply an atom with a charge atoms are usually balanced with the same number of protons and electrons but this can change without changing the element if electrons are lost. This usually occurs when a substance is rubbed for example wool being rubbed over a balloon.

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Food is cooked faster in pressure cooker. why?​
horrorfan [7]

Answer:

Answer below

Explanation:

because the pressure of the pressure cooker compresses it and then it cooks faster

6 0
2 years ago
Read 2 more answers
When calcium chloride is dissolved in water, to which end of the adjacent water molecules will a calcium ion be attracted? the o
Lesechka [4]
Ca ionises into Ca^2+. Ca^2+ will be attracted to O^2- ions in the water, since opposite charges attract. (Hydrogen in water forms H^+)
6 0
4 years ago
Which is the balanced equation for S₈+ O₂ → SO₂?
KiRa [710]

Answer:

D S8 + 802 - 8SO2

Explanation:

8* 2 =16

8*1=8

5 0
3 years ago
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring
ludmilkaskok [199]

Answer:

1.20 V

Explanation:

Pb(s) + Br_2(l)\rightarrow Pb^{2+}(aq) + 2Br^-(aq)

Here Pb undergoes oxidation by loss of electrons, thus act as anode. Bromine undergoes reduction by gain of electrons and thus act as cathode.

E^0=E^0_{cathode}- E^0_{anode}

Where both E^0 are standard reduction potentials.

Given,

Pb^{2+}(aq) + 2 e^-\rightarrow Pb(s)

E^0_{[Pb^{2+}/Pb]}= -0.13\ V

Br_2(l) + 2 e^-\rightarrow 2 Br(aq)

E^0_{[Br_2/Br^{-}]}=+1.07\ V

E^0=E^0_{[Br_2/Br^{-}]}- E^0_{[Pb^{2+}/Pb]}

E^0=+1.07- (-0.13)\ V=1.20\ V

6 0
4 years ago
29) What type of chemical reaction is given by the following balanced equation: Al2O3 → Al + O2
Law Incorporation [45]

Decomposition.

Decomposition is the chemical reaction in which a compound breaks down into the two elements or molecules that formed the compound. In this case, Dialuminium Trioxide has broken down into the basic components of Al2 and O2.

Hope this helps!

7 0
3 years ago
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