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3 years ago

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Calculate the wavelength in Angstrom of the photon that emitted when an electron in the Bohr orbit n=2 returns to the orbit n=1

in the H atom. The ionization Potential of the ground state of H atom is (-2.17 X 10^-11) energy/ atom.

1 answer:

nikdorinn [45]3 years ago

7 0

IDK THE ANSWER BUT I THINK I NEED HELP ON THIS ONE TO

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(5.50 x 10^6) x (2.16x 10^-2)

frutty [35]

Answer:1.188

⋅

10

5

1.188 Times 10 to the fifth power

Explanation:

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3 years ago

Write the 1 g equivalents using the following prefixes: (a) mega−, (b) kilo−, (c) deci−, (d) centi−, (e) milli−, (f) micro−, (g)

dem82 [27]

<u>Explanation:</u>

Unit is defined as the quantity that is used as a standard for measurement.

S.I. unit of mass of kilograms. Other units in which mass of a substance can be measured are grams, milligrams, etc...

All these units are inter convertible.

<u>For a:</u> Mega-

The conversion factor used is:

$1g=10^{-6}Mg$

<u>For b:</u> kilo-

The conversion factor used is:

$1g=10^{-3}kg$

<u>For c:</u> deci-

The conversion factor used is:

$1g=10dg$

<u>For d:</u> centi-

The conversion factor used is:

$1g=10^{3}cg$

<u>For e:</u> milli-

The conversion factor used is:

$1g=10^3mg$

<u>For f:</u> micro-

The conversion factor used is:

$1g=10^6\mu g$

<u>For g:</u> nano-

The conversion factor used is:

$1g=10^9ng$

<u>For h:</u> pico-

The conversion factor used is:

$1g=10^{12}pg$

8 0

3 years ago

for the reaction shown compute the theoretical yield of product in moles each of the initial quantities of reactants. 2 Mn(s)+3

Y_Kistochka [10]

Answer:

2 mole MnO₂

Explanation:

2Mn(s) + 2O₂(g) => 2MnO₂(s)

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kherson [118]

Answer:

neurotransmitter

Explanation:

im 200 iq

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3 years ago

Heat transferred by direct contact from one particle of matter to another is know as ____.

Alex777 [14]

Answer:

B

Explanation:

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