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nirvana33 [79]
3 years ago
10

How is n1 in the Rydberg equation related to the quantum number n in the Bohr model?

Chemistry
1 answer:
gavmur [86]3 years ago
3 0

Alove you!nswer:

Explanation545):

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59x<br> 56x<br> 35<br> 35<br> What do they have in common
wel

Answer:

5

Explanation:

They have 5 in common but different x

8 0
3 years ago
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What is the mass of 3.0 x 10^23 atoms of neon
anzhelika [568]


3.0e23 atoms Ne

"E" means 10^

Then we multiply it by a mole of Ne. By the definetion of a mole, it is always 6.022e23 atoms of an element.

So now, we do this:

3.0e23 atoms Ne x (1 mol Ne / 6.022e23 atoms Ne)

After that, we use molar mass. A mole of Neon is equal, in terms of grams, to its avg. atomic mass. This goes true for any element.

It ends up like this:

3.0e23 atoms Ne x (1 mol Ne / 6.022e23 atoms Ne) x (20.1797 g Ne / 1 mol Ne)

Now cancel out the "atoms Ne" and "1 mol Ne"

You end up with a grand total of...
*plugs everything into a calculator*

10.05298... g Ne.

We need to round to 2 sig. figs. (3.0) so now it's....

10 g Ne.

Note that this method can only be used for converting atoms of an element to mass in grams.
Source(s):
A periodic table for the atomic mass of neon.
A chemistry textboook
A chemistry class.
8 0
3 years ago
Why does a transformer require AC rather than DC?
LuckyWell [14K]
So if the voltage in case of DC<span> is same as </span>AC<span>, </span>then DC<span> current is larger </span>than AC<span>current. A </span>transformer<span> works on the principle of electromagnetic induction. It means that the change in magnetic flux across a coil induces a potential difference across the same.

Hope this sorta helps! I'm new to this!</span>
5 0
3 years ago
Read 2 more answers
Write the following elements in increasing order of atomic radius.<br> Ca, Mg, Be, Sr
Free_Kalibri [48]

Answer:

In increasing order:

Sr, Ca, Mg, Br

6 0
3 years ago
Mole Conversion: How many molecules are there in 6.70 moles of methane, CH4 ​
raketka [301]

Answer:

Explanation:

1 mol of methane = 6.02 * 10^23 molecules

6.70 mol of methane = x

Cross multiply

x = 6.70 * 6.02 * 10^23

x = 4.033 * 10^23 molecules.

8 0
3 years ago
Read 2 more answers
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