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nikitadnepr [17]
4 years ago
8

When drawing Lewis structures for simple molecules, you need to first sum the number of valence electrons from all atoms in the

molecule. How many valence electrons should you use to draw a Lewis structure of carbon dioxide (CO2)? __________.
Can someone help - there's no options

Physics
1 answer:
timama [110]4 years ago
7 0
Omg I love Lewis structures!

You have to first identify the central atom. In this case the central atom is Carbon, and it's surrounded by two oxygen atoms.
Carbon has 4 valence electrons. Oxygen has 6 valence electrons. it will have two double bonds.
I'll take a pic of it.

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Explain why smoke particles in air move about faster if the temp of the air is increased??
Harlamova29_29 [7]

Answer:

kinetic energy increases with the energy which causes the particles to move faster resulting in increases collision rates and rate of diffusion.

Explanation:

6 0
3 years ago
Match each scenario to the form of energy it represents.
Pachacha [2.7K]
<span>Correct pairs:

a man jogging in the park --> motion energy (the energy is the kinetic energy of the man, moving with speed v)

a fully charged camera battery --> electric potential energy (the battery is fully charged, so it can deliver electrical energy when the camera is turned on)

a stove burner that’s turned on --> radiant energy (the stove burner emits energy by radiation)

an apple on a tree --> gravitational potential energy (when the apple is on the tree, it has gravitational potential energy equal to U=mgh, where m is the apple's mass and h its height from the ground)
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5 0
3 years ago
We have compared the Terrestrial Planets and the Giant or Jovian Planets, but when we look at the 4 Giant Planets we can see tha
Ksivusya [100]

Answer:

i. Magnetic fields

ii. All 4 planets in appearance have deeper atmospheres and darker cloud.

iii. All the 4 Jovian planets rotates very quickly, with a range of 10 to 17 hours.

Explanation:

The Jovian planets is different from terrestrial planets in so many ways. The Jovian planets includes Jupiter , Saturn, Uranus and Neptune.

The major similarities shared by all of these 4 planets includes

i. Magnetic fields: Each of this Jovian planets have a strong magnetic field and are generated by electric currents in its rapidly sniping interior. The magnetosphere which is the region at which the planet magnetic field dominates is far more stronger in Jupiter than other Jovian planets . Although the magnetic field of Saturn , Neptune and Uranus works in similar way to Jupiter  but are less stronger.

ii. All 4 planets in appearance have deeper atmospheres and darker cloud. The  uppermost clouds of Jupiter and Saturn has more of ammonia crystals .The upper cloud of Neptune is composed of methane, The cloud of  Uranus is deep.  

iii. All the 4 Jovian planets rotates very quickly, with a range of 10 to 17 hours. The rotation period of Jupiter is the shortest among the Jovian planets which is around 9 hours 55 minutes. The rotation period of Neptune and Uranus take longer time than the other 2 Jovian planets( a little above 17 hours).

4 0
4 years ago
When a generator rotates a coil of wire in a magnetic field, which of the following is produced?
igomit [66]
Electric current  is the answer well it should be i just did this qeustion on my class
4 0
4 years ago
How fast must a 0.142-kg baseball move in order to have the same momentum as the bus?
Otrada [13]
Momentum is the product of mass and velocity of a body. In this case, the bus has a mass of 18200 kg and moving with a velocity of 10 m/s.
Therefore, the momentum of the bus will be, 18200×10 = 182,000 kgm/s.
Thus a ball of mass 0.142 kg will require to travel with a speed of;
            = 182000/0.142
            = 1.282 ×10∧6 m/s to have the same momentum with the bus.
6 0
4 years ago
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