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maw [93]
3 years ago
7

Which statement correctly describes the electrons in a water molecule?. . A.Which statement correctly describes the electrons in

a water molecule?. B.Electrons are pulled closer to the oxygen atom.. C.Electrons are located inside the nucleus of the hydrogen atoms.. D.Electrons are an equal distance between hydrogen and oxygen.
Physics
2 answers:
Zepler [3.9K]3 years ago
7 0

Answer: Option (B) is the correct answer.

Explanation:

Molecular formula of water is H_{2}O. In a water molecule, hydrogen and oxygen ions are held together by strong hydrogen bonding.

Out of hydrogen and oxygen, oxygen is more electronegative. Thus, it will attract the electrons of hydrogen atom more towards itself. As a result, a partial positive charge will develop on hydrogen atom and a partial negative charge will develop on oxygen atom.

Thus, we can conclude that the statement electrons are pulled closer to the oxygen atom correctly describes the electrons in a water molecule.

exis [7]3 years ago
4 0

The statement “Electrons are pulled closer to the oxygen atom” correctly describes the electrons in a water molecule. The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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Se necesita subir una carga de 500 kg (4900 N) a una altura de 1.5 m deslizándola sobre una rampa inclinada. ¿Qué longitud debe
marusya05 [52]

Answer:

4.22 m

Explanation:

Una rampa es una máquina que se utiliza para levantar un objeto con una fuerza menor a la que realmente necesitarías. Cuanto mayor sea la longitud de la rampa, menor será la magnitud de la fuerza necesaria para levantar el objeto.

Dado que:

altura de la rampa = 1.5 m, carga = 4900 N, fuerza aplicada = 1633.33 N.

La fórmula de la rampa se da como:

fuerza aplicada * longitud de la rampa = peso de la carga * altura de la rampa

1633.33 * longitud de la rampa = 4900 * 1.5

longitud de la rampa = 4900 * 1.5 / 1633.33

longitud de la rampa = 4.22 m

6 0
3 years ago
You are driving at 50 miles per hour. If you decrease the time it takes you to travel 1 mile by 8 seconds, what is your new spee
Dmitriy789 [7]

Answer:

The new speed is 56.25 miles/hour.

Explanation:

Since speed = distance/time;

time = distance/speed.

While driving at 50 miles/hour, time taken for one to complete 1 mile is (1/50) hour

(1/50) hour = (1/50) × 3600s = 72 seconds.

So, if this time to complete 1 mile (72 seconds) is reduced by 8 seconds,

New time to complete 1 mile will be = 72 - 8 = 64 seconds = (64/3600) hour = 0.0178 hour

New speed would be = (1 mile/64 seconds) = (1 mile/0.0178 hour) = 56.25 miles/hour.

Hope this Helps!!!

7 0
4 years ago
Why is the earth's magnetic field important to being able to have life on earth?
notsponge [240]
D) It protects the earth from solar winds which contain particles which would destroy the atmosphere and end life on earth.
5 0
3 years ago
Two clay balls collide and stick. Ball 1 has a mass of 10 kg and an initial velocity of 5 m/s in the positive x direction. Ball
kari74 [83]

Answer:

- 1.67 m/s

Explanation:

mass of first ball, m = 10 kg

mass of second ball, M = 20 kg

initial velocity of first ball, u = 5 m/s

initial velocity of second ball, U = - 5 m/s (direction is opposite to the first ball)

Let the final velocity of the combined mass is V.

Use the principle of conservation of linear momentum

Momentum before collision = Momentum after collision

m u + M U = ( m + M) V

10 x 5 + 20 x (-5) = (10 + 20) x V

50 - 100 = 30 V

- 50 = 30 V

V = - 1.67 m/s

Thus, the combined mass moves in the negative x axis direction with the velocity of 1.67 m/s.

8 0
3 years ago
The independent variable is
Katarina [22]

Answer:

An independent variable is exactly what it sounds like. It is a variable that stands alone and isn't changed by the other variables you are trying to measure.

Explanation:

someone's age might be an independent variable.

7 0
3 years ago
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