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RoseWind [281]
3 years ago
14

2H2(g) + O2(g) = 2H2O(l)

Chemistry
1 answer:
Anna [14]3 years ago
4 0

Anwer:

1000000000000000000000000000000000000000000000000000000.01

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Answer this pls thanks
allsm [11]

Answer:  It is element nitrogen. It has an atomic number of 7 and the valence electron is 5. It needs 3 electrons to complete its octet state. That's why sometimes it has the oxidation number of -3 in ammonia.

6 0
3 years ago
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ASAP 1st CORRECT ANSWER GETS BRAINLIEST The diagram shows changes of state between solid, liquid, and gas. The atoms of a substa
Katena32 [7]

Answer: L

Explanation:

the first state described is solid the second state liquid or gas can be used to describe it but as your answer choices dont show solid to liquid it is solid to gas

8 0
3 years ago
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Which of the following is an isoelctronic series
Darina [25.2K]
Sir cn you tell me that can we use this formula
3 0
3 years ago
Is the sulfide ion (S2-) stable, neutral or both? Explan
emmainna [20.7K]

The stable ion the sulfur would form is the sulfide ion,
S
2
−
.
Explanation:
A neutral sulfur atom contains 16 electrons. We can know this because its atomic number is 16, which means there are 16 protons in the nucleus. Since the negative charge of the electrons cancels the charge of the protons, the sulfur atom is neutral. The electron configuration of sulfur is
1s
2
2s
2
2p
6
3s
2
3p
4
. The valence shell (the 3s and 3p sublevels) contains six electrons, but it needs eight to become stable. Think of the octet rule. Therefore a sulfur atom will gain two electrons to form the sulfide anion with a charge of
2
−
, with the symbol
S
2
−
.hope this helps
6 0
3 years ago
Although expensive, platinum is used as a catalyst to break down harmful gases in car exhaust into less harmful gases. Which sta
Dimas [21]
<span>Platinum is solid at room temperature. SInce the catalyst is solid while the medium involves gases, this catalyst is characterized as heterogenous. Because they are different states of matter, they can be easily separated through physical means. So, the answer is B.</span>
7 0
4 years ago
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