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wlad13 [49]
3 years ago
15

1s22s22p63523p645230104p5 Which element is this? answer : bromine

Chemistry
1 answer:
Svetradugi [14.3K]3 years ago
8 0

Answer:

indeed it 1s22s22p63523p645230104p5 is bromine

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What elements are most commonly used in wiring?
Schach [20]

Answer:

Hi myself Shrushtee.

Explanation:

Wire Materials: The most common material for electrical wire is copper and aluminum, these are not the best conductors however they are abundant and low cost. Gold is also used in applications because it is corrosion resistant.

please mark me as brainleist

6 0
3 years ago
El volumen de un gas en un recipiente cerrado es de 3.5 litros a una temperatura de 25oC y una atmósfera constante de presión. ¿
polet [3.4K]

Answer:

El volumen del gas en el recipiente es 3.29 L si se disminuye la temperatura a 7°C

Explanation:

La Ley de Charles es una ley de los gases que relaciona el volumen y la temperatura de una cierta cantidad de gas a presión constante.

Esta ley establece que el volumen es directamente proporcional a la temperatura del gas. Es decir que si la temperatura aumenta, el volumen del gas aumenta, mientras que si la temperatura del gas disminuye, el volumen disminuye.

Matemáticamente, si la cantidad de gas y la presión permanecen constantes, el cociente entre el volumen y la temperatura siempre tiene el mismo valor:

\frac{V}{T}=k

Suponiendo un cierto volumen de gas V1 que se encuentra a una temperatura T1 al comienzo del experimento, al variar el volumen de gas hasta un nuevo valor V2, entonces la temperatura cambiará a T2, y se cumplirá:

\frac{V1}{T1}=\frac{V2}{T2}

En este caso, sabes:

  • V1= 3.5 L
  • T1= 25 °C=298 °K (siendo 0°C=273°K)
  • V2=?
  • T2=7 °C=280 °K

Reemplazando:

\frac{3.5 L}{298 K}=\frac{V2}{280 K}

Y resolviendo obtienes:

V2=280 K*\frac{3.5 L}{298 K}

V2= 3.29 L

<u><em>El volumen del gas en el recipiente es 3.29 L si se disminuye la temperatura a 7°C</em></u>

5 0
3 years ago
A vehicle travels 2345 meter in 35 second toward the evening sun in the West. What is its speed? A. 47 m/s West
snow_tiger [21]

Explanation:

Speed = 2345 ÷ 35 = 67m/s

3 0
4 years ago
A sample of oxygen gas was collected via water displacement. since the oxygen was collected via water displacement, the sample i
mylen [45]

The sample of oxygen gas was collected through water displacement. So, the gas collected will be a mixture of oxygen and water vapor.

Given that the total pressure of the mixture of gases containing oxygen and water vapor = 749 Torr

Vapor pressure of pure water at 26.4^{0}C=25.81mmHg

                               = 25.81 mmHg*\frac{1 Torr}{1 mmHg} =25.81 Torr

According to Dalton's law of partial pressures,

Total pressure = Partial pressure of Oxygen gas + Partial pressure of water

  749 Torr = Partial pressure of Oxygen gas + 25.81 Torr

Partial pressure of Oxygen gas = 749 Torr - 25.81 Torr =  723.19 Torr

Therefore the partial pressure of Oxygen gas in the mixture collected will be 723.19 Torr


6 0
3 years ago
What does scientific inquiry refer to
Sloan [31]
It refers to the ways scientists explore and study the world based on observations and their works/ evidence.
5 0
3 years ago
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