3 years ago

The red spheres represent oxygen atoms, and the blue spheres represent hydrogen atoms. Is this substance a compound?

2 answers:

7 0

I believe a compound, be definition, needs to be composed of different types of atoms, so it sounds like yeah, assuming the oxygen and hydrogen atoms are actually bonded together and not just floating randomly.

lianna [129]3 years ago

5 0

Answer: Yes.

Explanation:

The answer is Yes because it is made up of Atoms, or 2 or more elements bonded together. In your case, oxygen and Hydrogen is bonded together. Thus, yes, this is a compound.

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Which of the following is an action-at-a-distance force? friction tension gravity air resistance

MissTica

Answer:

Action-at-a-Distance Forces. Frictional Force. Gravitational Force. Tension Force ... The force of gravity on earth is always equal to the weight of the object as ... The friction force is the force exerted by a surface as an object moves across it or ... The force of air resistance is often observed to oppose the motion of an object.

Explanation:

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3 years ago

Read 2 more answers

- La siguiente tabla, expone cómo desciende la temperatura (T) del aire con la altitud(h): Temperatura (ºC) 15 13,5 12 10,5 9 Al

Mrrafil [7]

Answer:

k = -0.006.

T₀ = 15 °C

Explanation:

Hola.

En este caso, considerando la gráfica mostrada en el archivo adjunto, podemos evidenciar que los datos dados se comportan de manera lineal, por lo que basado en la ecuación, T=k*h+To, podemos calcular la pendiente que basicamente es igual a k, tomando dos puntos en la gráfica:

$k=\frac{12-13.5}{750-500}=-0.0006$