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dedylja [7]
2 years ago
7

Consider a large number of hydrogen atoms with electrons randomly distributed in the n = 1, 2, 3, and 4 orbits. How many differe

nt wavelengths of light are emitted by these atoms as the electrons fall into lower-energy orbitals? Calculate the lowest and highest energies of light produced by the transitions described in part (a). Calculate the frequencies and wavelengths of the light produced by the transitions described in part (b).
Chemistry
1 answer:
baherus [9]2 years ago
6 0
It would be 5 you know this
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If you feed 100 kg of N2 gas and 100 kg of H2 gas into a<br> reactor. What is the limiting reactant?
mixas84 [53]

Answer:

N₂ is the limiting reactant

Explanation:

The balanced reaction between N₂ gas and H₂ gas is:

N₂ + 3H₂ → 2NH₃

In order to determine the limiting reactant, we have to <u>calculate the number of moles of each rectant</u>, using their molecular weight:

  • Moles of N₂= 100 kg * \frac{1kmol}{28kg} = 3.57 kmol
  • Moles of H₂= 100 kg * \frac{1kmol}{2kg} = 50.0 kmol

Lastly, we multiply the number of moles of N₂ by 3, and the number of moles of H₂ by 1; due to the coefficients in the balanced reaction. Whichever number is lower, belongs to the limiting reactant.

N₂ => 10.7

H₂ => 50.0

Thus N₂ is the limiting reactant

8 0
3 years ago
What mass, in grams, of fluorine has (F2) is contained in a 10.3-liter tank at 29.8 degrees Celsius and 1.23 atmospheres? Show a
denis23 [38]
PV = nRT
P is pressure, V is volume in L, n is number of moles, R is the gas constant, and T is temperature in K

(1.23 atm)(10.3 L) = (n)(.08206)(29.8 + 273)

n = .5 moles x 38 grams per mol F2 = 19.4 grams F2
8 0
2 years ago
Did you write these compounds?<br> KBr<br> 2 NH₂OH<br> 2HNO3
Orlov [11]

The missing components of the neutralisation reaction include the following:

  • KBr
  • KBr 2NH4OH
  • KBr 2NH4OH2HNO2

<h3>What is neutralisation reaction?</h3>

Neutralisation reaction is defined as the type of reaction that leads to the formation of salt and water when an acid and a base reacts.

From the reactions given the missing components are replaced as follows:

  • HBr + KOH --> KBr + H2O

  • H2SO4 + 2NH4OH --> (NH4)2SO4 + 2H2O

  • 2HNO3 + Mg(OH)2 --> Mg(NO3)2 + 2H2O

Learn more about acids here:

brainly.com/question/26353151

#SPJ1

7 0
1 year ago
CH2OHCH2OH is a general example of: an ethyl alcohol a methyl alcohol a polyhydroxyl alcohol an organic acid
RoseWind [281]

CH2OHCH2OH is a general example of a polyhydroxyl alcohol. A polyhydroxyl alchol is one in which there are two hydroxyl groups present in the substance. The –OH group attached to both the carbon atoms.

4 0
3 years ago
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PLEASE HELP!! It’s the last day to get the assignment in!!
Blizzard [7]

Answer:

Explanation:

Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change. Or Light is given off, a permanent color change occurs, gas is given off, heat is given off, and a precipitate is formed

3 0
3 years ago
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