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gregori [183]
1 year ago
11

Lake Baikal in Siberia is the largest freshwater body on Earth by volume, at 5666 mi³

Chemistry
1 answer:
Drupady [299]1 year ago
6 0

largest freshwater body on Earth by volume, at 5666 mi³

1 mi³= 4.168  ×  10^12 L

5666 mi³ = 5666 × 4.168 × 10^12 L

  volume   = 2.362 × 10^16 L

  • volume is the amount of space an object take up or in other word measure of the size of a body or region in three-dimensional space occupied by an object L x W x H
  • Liquid volume metric base unit is liter(L)
  • cubic centimeters is basic unit for measuring the volume of solids and gases
  • maximum volume occupied by gases and minimum volume occupied by solid and liquid comes between them

To know more about volume visit :

brainly.com/question/1578538

#SPJ9

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Allisa [31]

Answer: 44.8 L

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.

Standard condition of temperature (STP)  is 273 K and atmospheric pressure is 1 atm respectively.  

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given molecules}}{\text {Avogadro's number}}=\frac{120\times 10^{22}}{6.023\times 10^{23}}=2moles

1 mole of NO occupies volume = 22.4L at STP

Thus 2 moles of magnesium react with=\frac{22.4}{1}\times 2=44.8L

Thus the volume of 120\times 10^{22} molecules of nitric oxide gas is 44.8 L.

5 0
3 years ago
Reaction intermediates differ from activated complexes in that A. they are stable molecules with normal bonds and are frequently
vova2212 [387]

Answer:

they are molecules with normal bonds rather than partial bonds and can occasionally be isolated.

Explanation:

In chemistry, reaction intermediates are species that are formed from reactants and are subsequently being transformed into products as the reaction progresses. In other words,  reaction intermediates are species that do not appear in a balanced reaction equation but occur somewhere along the reaction mechanism of a non-elementary reaction. They are usually short lived species that possess a high amount of energy. They may or may not be isolated.

They are often molecular species with normal bonds unlike activated complexes that are sometimes hypervalent species.

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Why are Noble gases inert?
sladkih [1.3K]
Correct answer is <span>C. They have a full shell of valence electrons. </span>
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5 0
3 years ago
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For the reaction a2 + b2 → 2ab, ea(fwd) = 105 kj/mol and ea(rev) = 77 kj/mol. assuming the reaction occurs in one step, calculat
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Answer is: 28 kJ.
Chemical reaction: A₂ + B₂ ⇄ 2AB.
Ea(forward) = 105 kJ/mol.
Ea(reverse) = 77 kJ/mol.
ΔH(reaction) = ?
<span>The enthalpy change of reaction is the change in the energy of the reactants to the products.
</span>ΔH(reaction) = Ea(forward) - Ea(reverse).
ΔH(reaction) = 105 kJ/mol - 77 kJ/mol.
ΔH(reaction) = 28 kJ/mol; this is endothermic reaction (ΔH <span>> 0).</span>

6 0
3 years ago
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