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cricket20 [7]
3 years ago
6

What is an atomic orbital

Physics
2 answers:
Serjik [45]3 years ago
8 0
The probability of finding an electron with random motion at a certain energy level (distance away from) the nucleus
11Alexandr11 [23.1K]3 years ago
5 0

An atomic orbital is a region of space where an electron is likely to be found .


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A heat pump has a coefficient of performance that is 60% of the Carnot heat pump coefficient of performance. The heat pump is us
Nataliya [291]

Answer:

T_C=118.8 K= 154.2°C

Explanation:

COP_max of carnot heat pump= \frac{T_{H} }{T_{H}-T_{C} }

where T_H and T_C are temperatures of hot and cold reservoirs

Also COP=\frac{Q_H}{W}

in the question COP= \frac{60}{100} \times COP_{max}

⇒\frac{Q_H}{W} =\frac{60}{100}\times\frac{T_H}{T_H-T_C}

heat is added directly to be as efficient as via heat pump

Q_H= W

and T_H= 24° C= 297 K

1=\frac{60}{100}\times \frac{297}{297-T_C}

on calculating the above equation we get

T_C=118.8 K

the outdoor temperature for efficient addition of heat to interior of home

T_C=118.8 K= 154.2°C

6 0
3 years ago
A local fast food company sells a 16-oz soft drink. To determine if the soft drinks served contain < the advertised 16 oz, a
kakasveta [241]

Answer:

Hypothesis testing.

Explanation:

In the given problem it has been claimed that the mean of the population amount is less than 16  oz. for this claim, a test is conducted using the sample of size  20  and it was concluded that there is no evidence to say that mean amount is less than  the claimed amount.  i.e 16 oz

Hence, it is an example of the hypothesis testing.

6 0
3 years ago
This diagram shows that there are high tides on the side of Earth closest to the moon and on the side opposite the moon, and low
hram777 [196]

Answer:

Explanation:

The water moving into the high tide areas has moved out of the low tide areas. Water is incompressible.

5 0
3 years ago
A paper airplane moving 2.33 m/s has 0.161 J of KE. What is its mass? (Unit = kg)
LekaFEV [45]

The kinetic energy of an object is given by:

KE = 0.5mv²

KE = kinetic energy, m = mass, v = speed

Given values:

KE = 0.161J, v = 2.33m/s

Plug in and solve for m:

0.161 = 0.5m(2.33)²

m = 0.059kg

4 0
3 years ago
Los barbijos de tela, a diferencia de los quirúrgicos, poseen una filtración de partículas de aproximadamente 0.000003979 [m]. E
shusha [124]

Answer:

El valor en notación científica es 3.98*10⁻⁶.

Explanation:

La notación científica es una manera rápida de representar un número utilizando potencias de base diez. Esta notación se utiliza para poder expresar muy fácilmente números muy grandes o muy pequeños.

Los números se escriben como un producto:

a*10ⁿ

donde:  

  • a es un número real mayor o igual que 1 y menor que 10, al cual se le agrega un punto decimal después de la primera cifra si se trata de un número que no es entero.
  • n es un número entero, que recibe el nombre de exponente u orden de magnitud. Representa el número de veces que se desplaza la coma. Siempre es un número entero, positivo si se desplaza a la izquierda, negativo si se desplaza a la derecha.

Para escribir el número 0.000003979 en notación científica, se realizan los siguientes pasos:

  • Se mueve la coma decimal hacia la derecha tantos espacios hasta llegar a la derecha del primer dígito.
  • Se escribe entonces este número, que será el coeficiente a en la expresión del producto anterior.  
  • Se escribe la base 10 con el exponente igual a la cantidad de espacios que se mueve la coma. Este es un número negativo porque la coma se desplaza a la derecha.

Entonces, en este caso:

  • a= 3,979 ≅ 3,98
  • n= -6

Entonces,<u><em> el valor en notación científica es 3.98*10⁻⁶.</em></u>

5 0
3 years ago
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