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AnnZ [28]
3 years ago
7

Will helium, neon, or argon atoms react with other atoms?

Chemistry
1 answer:
VMariaS [17]3 years ago
8 0
No they are noble gases 

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Predict how decreasing the volume of the container used for the reaxtion below affect the initial rate of the reaction and expla
77julia77 [94]
Decreasing the volume increases the pressure, therefore due to Le Chatelier's principle, we can see that more HI2 will be formed as 2 molecules combine into 1 and that conserves space which in turn lowers the pressure.
3 0
4 years ago
000 atm of dry nitrogen, placed in a container having a pinhole opening in its side, leaks from the container 3.55 times faster
Ivanshal [37]
We will assume that the question is discussing 1.000 atm of N₂ initially. The question is discussing diffusion rates of two gases and asks us to identify the species. We can use Graham's Law to attempt this problem with the following formula:

Rate₁/Rate₂ = sqrt(M₂/M₁)

We are told that the N₂ is 3.55 times as fast as the unknown species, so rate 1 = 3.55 and rate 2 = 1. We know the molecular weight of N₂ as 28 g/mol. Now we can use the equation above to solve for the molecular weight of the unknown, M₂:

3.55/1 = sqrt(M2/28)
(3.55)² = M₂/28
M₂ = 28 (3.55)₂
M₂ = 353 g/mol

The unknown compound has a molecular mass of roughly 353 g/mol and this is very close to the molecular mass of UF₆ which is 352.02 g/mol. Therefore, it is likely that the unknown gas is UF₆.
7 0
4 years ago
Oh I got the answer never mind :)
Neporo4naja [7]

Good job, chemistry can be tough.

7 0
4 years ago
Read 2 more answers
What mass of Cu(s) is electroplated by running 30.0 A of current through a Cu2 (aq) solution for 4.00 h
Alborosie

Answer:

The correct answer is "142 g".

Explanation:

According to the question,

⇒ Cu^2+(aq)+2e^  ------> Cu(s)

where,

Z = 2

F = 96500c

C = 30 A

t = 4h

 = 4\times 60\times 60

 = 14400 \ sec

We know that,

Atomic mass of Cu(M) = 63.5 g/mole

Now,

⇒ W=\frac{Mct}{ZF}

On putting the values, we get

        =\frac{63.5\times 30\times 14400}{2\times 96500}

        =\frac{27432000}{193000}

        =142 \ g

3 0
3 years ago
Which one of the following is a redox reaction?
AleksAgata [21]

3Mg(s) + 2FeCl3(aq) → 3 MgCl2(aq) + 2Fe(s)

Explanation:

Redox reaction is a reduction-oxidation reaction in which oxidation states of atoms involved in the reaction are changed. The elements that receive electrons are considered to be reduced while the element that donates the electrons is considered to be oxidized. In the case of this reaction, Fe in the FeCl₃ is reduced into Fe by gaining 3 electrons - while Mg is oxidized to MgCl₂ because it donates 2 electrons.

If you check the moles of Mg, FeCl₃, Fe, and MgCl₂; you'll get to notice that the exchange of electron is balanced at 6.

8 0
3 years ago
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