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AveGali [126]
2 years ago
12

5. What structure did Friedrich Kekule discover that allowed carbon atoms can bond

Physics
1 answer:
musickatia [10]2 years ago
4 0
Benzene was a ring of six carbon atoms! This was the structure that made him well known around the world
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Which metallloid has three valence electrons?
Naya [18.7K]
Boron Group
elements have three valence electrons and are fairly reactive. All of them are solids at room temperature. Boron is a very hard, black metalloid with a high melting point.
8 0
2 years ago
1. Al descomponerse su vehículo una persona tira de su auto con la ayuda de una cuerda con una fuerza de 3500 N que forma un áng
OleMash [197]

Responder:

Fy = 2474,8737

Fx = 2474,8737

Explicación:

Dado que :

Dado:

Fuerza, F = 3500 N

Ángulo formado con la horizontal, θ, = 45 °

Los componentes de una fuerza se pueden descomponer en componentes verticales y horizontales.

El componente vertical Fy; y

El componente horizontal Fx

Fy = Fuerza * sinθ

Fy = 3500 * sin45 °

Fy = 2474,8737

El componente horizontal:

Fx = Fuerza * cosθ

Fy = 3500 * cos45 °

Fy = 2474,8737

8 0
2 years ago
Bro what does this mean ? I don’t get this
zhannawk [14.2K]

CO2 is carbon dioxide a colorless gas

3 0
3 years ago
Read 2 more answers
A 2kg object weighs 19.6N on earth. If the acceleration due to gravity on mars is 3.71 meters per second what is the object mass
Gre4nikov [31]
The acceleration due to gravity at the Earth's surface is 9.8 m/s/s 

<span>So a 2 kg object will accelerate at 9.8 m/s/s if it is dropped..... actually all dropped objects will accelerate at the same rate. </span>

<span>The force of gravity on the object is given by Newton's 2nd Law </span>

<span>F = m . a </span>

<span>F = 2 . 9.8 = 19.6 N </span>

<span>Now go to Mars , with a lower gravitational field strength. It only accelerates falling objects at 3.71 m/s/s </span>

<span>So the force of gravity on the object is F = 2 . 3.71 = 7.42 N </span>

<span>But the answer is (2) 2 kg, because the mass of the object stays the same and that is what you are asked for. </span>
<span>Someone was trying to be tricky.</span>
3 0
3 years ago
when a sealed thermos bottle full of hot coffee is shaken what are the changes in the temperature of the coffee and the internal
topjm [15]
There is large increase in temperature of the coffee due to the large amount of kinetic energy imputed into the system through the shaking motion. Thus due to the heat being released there is a large decrease in the internal energy of the system
7 0
3 years ago
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