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3 years ago

A molecule with a seesaw molecular geometry has a bond angle of

Physics

1 answer:

pshichka [43]3 years ago

3 0

Answer

A molecule with seesaw molecular geometry has a bond angle of 90° and 120°.

Seesaw is a type of molecular geometry where there are four bonds attached to a central atom.

Bond is observed in the shape of playground seesaw that is why it is known as a seesaw bond.

Four bonds attached to the central bond formed results as tetrahedral or square planar geometry.

In see-saw, shape maximizes the bond angle of the lone pair and the other atoms in the molecule.

lone pair in the equatorial position offer 120 and 90-degree bond angles whereas bond angle will be 90-degree bond angles if placed at axial position.

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Variables that affect the amount of current flowing in a circuit

Andru [333]

Answer:

Potential Difference between ends (Voltage)

Temperature.

Material of wire.

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Explanation:

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2 years ago

Assume that the mass has been moving along its circular path for some time. You start timing its motion with a stopwatch when it

lesya692 [45]

Answer:

$v = R\omega(-sin\omega t \hat i + cos\omega t \hat j)$

Explanation:

As we know that the mass is revolving with constant angular speed in the circle of radius R

So we will have

$\theta = \omega t$

now the position vector at a given time is

$r = Rcos\theta \hat i + R sin\theta \hat j$

now the linear velocity is given as

$v = \frac{dr}{dt}$

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3 years ago

What is the molality of a solution that contains 54 grams of NaOH dissolved in 1.50 kg of water? (The molar mass of NaOH 40.00 g

expeople1 [14]

Answer:

0.900 mol/kg

Explanation:

Molality is moles of solute per kilograms of solvent.

Converting 54 grams of NaOH to moles:

54 g NaOH × (1 mol NaOH / 40.00 g NaOH) = 1.35 mol NaOH

So the molality is:

m = (1.35 mol) / (1.50 kg)

m = 0.900 mol/kg

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4 years ago

Which is NOT considered as a property of electromagnetic waves: 5

OlgaM077 [116]

Answer:

require a medium to propagate

Explanation:

this is because electromagnetic waves can travel through vacuum at the speed of 3.0 x 10^8 m/s

because they don't need particles to transfer energy

hope this helps

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