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Alecsey [184]
3 years ago
5

Which of the samples would be classified as a mixture

Chemistry
1 answer:
chubhunter [2.5K]3 years ago
3 0

Answer:

heterogeneous

Explanation:

I got that

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All matter on earth contains energy
Dafna11 [192]
Yes; every object has energy and you cannot create or destroy energy but you can transfer it. 
6 0
3 years ago
La manifestación de un huracán, el movimiento de los aerogeneradores cuando el viento alcanza una velocidad de 3 a 4 metros por
Arturiano [62]

Answer:

Ambos son ejemplos de procesos de transformación de la energía.

El ejemplo del aerogenerador transforma la energía cinética traslacional del viento en energía cinética rotacional del aerogenerador y pérdidas debido a la fricción, la cual es en forma de calor.

En cambio, el ejemplo del hervido del agua es el ingreso de calor por la combustión de madera para aumentar su energía interna.

Explanation:

Son ejemplos de procesos de transformación de energía, por el Principio de Conservación de la Energía se sabe que la energía total de un sistema no se crea ni se destruye, solo se conserva.

El ejemplo del aerogenerador transforma la energía cinética traslacional del viento en energía cinética rotacional del aerogenerador y pérdidas debido a la fricción, la cual es en forma de calor.

En cambio, el ejemplo del hervido del agua es el ingreso de calor por la combustión de madera para aumentar su energía interna.

8 0
3 years ago
the barometric pressure in breckenridge colorado is (elevation 9600 frleet) is 580 mmhg. how many atmospheres is there​
solmaris [256]

Answer:

\large \boxed{\text{0.763 atm}}

Explanation:

1 atm = 760 mmHg

\text{Pressure} = \text{580 mmHg} \times \dfrac{\text{1 atm}}{\text{760 mmHg}} = \textbf{0.763 atm}\\\\\text{The atmospheric pressure in Breckenridge is  $\large \boxed{\textbf{0.763 atm}}$}

5 0
3 years ago
An aqueous solution 10 g of an optically pure substance diluted to 500ml with water and placed in a polarimeter tube 20 cm long.
Gennadij [26K]

Explanation:

Formula to calculate specific rotation is as follows.

        Specific rotation ([\alpha]) = \frac{\alpha}{c} \times l

where,    \alpha = observed rotation

                   c = concentration in g/ml

                   l = path length in dm

It is given that,

             \alpha = -6.16^{o}    

               c = \frac{10 g}{500 ml} = 0.02 g/ml

              l = 20 cm = 2 dm   (as 1 dm = 10 cm)

Therefore, calculate the specific rotation as follows.

      Specific rotation ([\alpha]) = \frac{\alpha}{c} \times l

                        = \frac{-6.16^{o}}{0.02 g/ml} \times 2 dm

                        = -616^{o}

Thus, we can conclude that the specific rotation of this compound is -616^{o}.

7 0
3 years ago
Which of the following remains would be most likely only be found as a compression fossil?
attashe74 [19]

Answer:

A Leaf

Explanation:

Compressions are the way that leaves are fossilized as the leaves are pressed firmly between hard layers of rock.

3 0
3 years ago
Read 2 more answers
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