3 years ago

Which molecule is nonpolar but has polar covalent bonds?

1 answer:

6 0

<span>A molecule can have polar bonds, but it will be nonpolar if the bond dipoles cancel. Example CO2 dipoles cancel out ; O=C=O</span>

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What type of orbital overlap is responsible for the π bond between carbon and oxygen in the molecule below?

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According to picture below, p atomic <span>orbitals overlap are responsible for the π bond between carbon and oxygen.
Both carbon and oxygen have sp2 hybridization in this carbonyl group. Carbon has three sigma bonds with sp2 orbitals and oxygen has one sigma bond with sp2 and two free electron pairs with sp2 orbitals. Pi bonds are formed between two p orbitals.</span>

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I’m pretty sure it’s B

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3 years ago

How many moles of SnF₂ will be produced along with 48 grams of H₂? *

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Answer: 24 moles of $SnF_2$ are produced.

Explanation:

To calculate the moles :

$\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}$

${\text{Moles of} H_2}=\frac{48g}{2g/mol}=24moles$

$Sn+2HF\rightarrow SnF_2+H_2$

According to stoichiometry :

1 mole of $H_2$ is accompanied with = 1 mole of $SnF_2$

Thus 24 moles of $H_2$ is accompanied with = $\frac{1}{1}\times 24=24moles$ of $SnF_2$

Thus 24 moles of $SnF_2$ are produced.

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What does Le Châtelier's principle state?

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When a system experiences a disturbance ( such as concentration, temperature, or pressure changes), it will respond to restore a new equilibrium state.

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3 years ago

How many moles of copper are present in a sample that contains 4.55 x 10^24 atoms of copper

FinnZ [79.3K]

Hope you could understand.

If you have any query, feel free to ask.

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