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musickatia [10]
3 years ago
8

Molecules of carbon dioxide are linear. What type of force exists betweenthese molecules?​

Chemistry
1 answer:
Vadim26 [7]3 years ago
7 0

London Dispersion forces

Explanation:

London dispersion forces exists between the molecules of CO₂. These are weak attractions found between non-polar (and polar) molecules(symmetrical molecules).

  • This attraction sometimes makes non-polar molecules polar.
  • This is because of the uneven charge distribution caused by the constant motion of its electrons.
  • A temporary dipole or instantaneous dipole induces the neighboring molecules to become distorted and forms dipoles as well.
  • The forces are the weakest of all electrical forces.

Learn more:

Intermolecular forces brainly.com/question/10107765

#learnwithBrainly

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Explanation:

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8 0
3 years ago
The weak base ionization<br> constant (Kb) for HCO3 is<br> equal to:
hammer [34]

Weak bases are alkaline solution that does not get completely dissociated. The dissociation constant will be the ratio of the concentration of the products to the reactants.

<h3>What is a weak base ionization constant?</h3>

The weak base ionization constant is the equilibrium constant that is given as the division of the products of the ionization to the concentration of the reactants.

The reaction for HCO₃ is given as:

HCO₃⁻ + OH⁻ ⇄ CO₃²⁻ + H₂O

The value of Ka for the given reaction will be:

Ka = [CO₃²⁻][H₂O] ÷ [HCO₃⁻ ][OH⁻]

Therefore, the Ka of the weak carbonic acid is given as the ratio of the concentration of the products to the reactants.

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8 0
2 years ago
Now that you have exercised, walked your
ASHA 777 [7]

Answer: The moles of melatonin are 0.000043

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number 6.023\times 10^{23} of particles.

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

Given mass of melatonin = 0.01 g

Molar mass of melatonin (C_{13}H_{16}N_2O_2) = 232.28 g/mol

\text{Number of moles of melatonin}=\frac{0.01 g}{232.28g/mol}=0.000043mol

Thus the moles of melatonin in 0.01 g are 0.000043

4 0
2 years ago
A chemist prepares a solution of sodium carbonate by measuring out of sodium carbonate into a volumetric flask and filling the f
Vadim26 [7]

Answer:

The correct answer will be "9.45\times 10^{-5} \ mol/L".

Explanation:

We have:

Moles of solute (Na₂Co₃) = 18.9 \mu \ mol

                                           = 18.9\times 10^{-6}

                               1 \mu \ mol = 10^{-6} \ mol

Now,

The volume of the solution will be:

⇒  0.200 \ L

∴ {1 \ mL=0.001 \ L}

The formula to find the concentration will be:

⇒  Concentration = \frac{moles \ of \ solute \ (mol)}{Volume \ of \ solution \ (L)}

On substituting the given values, we get

⇒                          =\frac{18.9\times 10^{-6}}{0.200}

⇒                          =9.45\times 10^{-5} \ mol/L

8 0
3 years ago
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