According to the octet rule, an atom with two electron shells is most stable when it contains eight

1 answer:

3 0

According to the octet rule, an atom with two electron shells is most stable when it contains eight electrons. The answer is letter B. All atoms wanted to attain a stable energy level equal to that of the noble gases. A noble gas is where all valence electrons in the valence shell is completely filled.

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A 3,273N force is applied to a 223kg mass. What is the acceleration of the mass?

Alexxandr [17]

Answer:

acceleration =

$14.67ms {}^{ - 2}$

Explanation:

force = mass × acceleration
acceleration = force / mass
a = f / m

we know that f = 3273 N, M = 223 kg

a = 3273 / 223
a = 14.67 m/s^2

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3 years ago

A swarm of locust eats the leaves of most of the trees in a forest. How would the trees be most directly affected?

Sphinxa [80]

Answer:

A trees food and air source would be deprived because of this. Trees need leaves to perform photosynthesis, so besides their roots soaking up water and nutrients, they wouldn't have any other form of food until those leaves grow back. If they don't and the locusts continue to eat up the tree, it will eventually starve and die.

Explanation:

Imagine the trees trunk and roots as your body and the leaves as your mouth/food source. God Forbid you catch a cold or some sickness. You probably won't have the appetite to eat. Despite that, you'll still have to. But, if you get so sick to the point that eating just makes you throw it up before your body can take in the nutrients and beneficial stuff, you will eventually get to the point where eating is nearly impossible. This will lead up to the sickness taking over your body, as there's no energy going in to help it fight it off, and you would die.

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Anyways, hope this helped!

Source(s) used: N/A

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3 years ago

A rigid tank initially contains 3kg of carbon dioxide (CO2) at a pressure of 3bar.The tank is connected by a valve to a friction

marissa [1.9K]

Answer:

Part a: The total amount of energy transfer by the work done is 54.81 kJ.

Part b: The total amount of energy transfer by the heat is 54.81 kJ

Explanation:

Mass of Carbon Dioxide is given as m1=3 kg