Explain the difference between sigma and pi bonds.

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Sigma bonds: head-on overlap of orbitals, found in single bonds, allow free rotation. Pi (n) bonds: side-by-side overlap of p orbitals, found in double/triple bonds, restrict rotation.

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Asked 12 days ago|1/8/2026 9:06:29 AM

Updated 12 days ago|1/8/2026 9:34:27 AM

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cruz30

Sigma bonds: head-on overlap of orbitals, found in single bonds, allow free rotation.
Pi (n) bonds: side-by-side overlap of p orbitals, found in double/triple bonds, restrict rotation.

Added 12 days ago|1/8/2026 9:33:22 AM

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yumdrea

The difference between sigma and pi bonds is that: Sigma Bonds directly connect element together, while Pi Bonds provide insulation and protection for those bonds.

Added 12 days ago|1/8/2026 9:34:27 AM

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Determine the oxidation state of S in H SO .

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Updated 12 days ago|1/8/2026 9:20:51 AM

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cruz30

Given: H2SO4
Assign oxidation states
H = +1
O = -2
Let x = oxidation state of S
2(+1) + x + 4(-2) = 0
Solve for x
2 + x - 8 = 0
x - 6 = 0
x = +6
Answer: The oxidation state of S in H2SO4 is +6

Added 12 days ago|1/8/2026 9:20:51 AM

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Balance: Al + HCl AlCl + H .

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Updated 12 days ago|1/8/2026 9:20:00 AM

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cruz30

Balanced equation:
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Added 12 days ago|1/8/2026 9:20:00 AM

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Calculate the molarity of 10 g NaOH in 500 mL solution.

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Updated 12 days ago|1/8/2026 9:19:17 AM

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cruz30

Mass of NaOH = 10 g
Volume of solution = 500 mL = 0.5 L
Molar mass of NaOH = 40 g/mol
Moles of NaOH = 10 / 40 = 0.25 moles
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Added 12 days ago|1/8/2026 9:19:17 AM

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Identify hybridization of N in NH .

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Updated 12 days ago|1/8/2026 9:18:43 AM

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cruz30

The nitrogen in NH3 is sp3 hybridized.

Added 12 days ago|1/8/2026 9:18:43 AM

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