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dem82 [27]
3 years ago
10

What do anions like F do to fulfill the octet rule?

Chemistry
2 answers:
musickatia [10]3 years ago
4 0

Answer:

Because it gains one electron to meet the octet rule, fluorine possesses seven valence electrons and normally forms the F – ion.

Explanation:

katrin2010 [14]3 years ago
3 0

Answer:

Fluorine has seven valence electrons and usually forms the F – ion because it gains one electron to satisfy the octet rule.

Explanation:

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Which type of electromagnetic radiation is most likely to be non-ionizing
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Answer:

A)Radio.

Explanation:

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7 0
3 years ago
HELP!! Suppose that the pressure of 1.00 L of gas is 380 mm Hg when the temperature is 200. K. At what
Korolek [52]
Numa máquina térmica uma parte da energia térmica fornecida ao sistema(Q1) é transformada em trabalho mecânico (τ) e o restante (Q2) é dissipado, perdido para o ambiente.



sendo:

τ: trabalho realizado (J) [Joule]
Q1: energia fornecida (J)
Q2: energia dissipada (J)


temos: τ = Q1 - Q2

O rendimento (η) é a razão do trabalho realizado pela energia fornecida:

η= τ/Q1

Exercícior resolvido:
Uma máquina térmica cíclica recebe 5000 J de calor de uma fonte quente e realiza trabalho de 3500 J. Calcule o rendimento dessa máquina térmica.

solução:

τ=3500 J
Q1=5000J

η= τ/Q1
η= 3500/5000
η= 0,7 ou seja 70%

Energia dissipada será:



τ = Q1 - Q2
Q2 = Q1- τ

Q2=5000-3500
Q2= 1500 J

Exercicio: Qual seria o rendimento se a máquina do exercicio anterior realizasse 4000J de trabalho com a mesma quantidade de calor fornecida ? Quanta energia seria dissipada agora?



obs: Entregar foto da resolução ou o cálculo passo a passo na mensagem
4 0
3 years ago
PLEASE HELP ILL MARK BRAINLEST
ziro4ka [17]

Answer:

Answer:

0.35

0.91

1.26

1.57

Explanation:

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8 0
3 years ago
What is the best classification for hydrogen bonds between 2 water molecules?
Irina18 [472]
The will be c. Covalent bond and
6 0
4 years ago
Read 2 more answers
The gas in a balloon occupies 2.25 L at 298 K and 300 kPa. At
o-na [289]

If a gas in a balloon occupies 2.25 L at 298 K and 300 kPa, the temperature at which the balloon expand to 3.50L and 2.17 atm is 345.23K.

<h3>How to calculate temperature?</h3>

The temperature of an ideal gas can be calculated using the following formula:

P1V1/T1 = P2V2/T2

Where;

  • P1 = initial pressure
  • P2 = final pressure
  • V1 = initial volume
  • V2 = final volume
  • T1 = initial temperature
  • T2 = final temperature

According to the information given in this question;

  • P1 = 300kpa = 2.96 atm
  • P2 = 2.17 atm
  • V1 = 2.25L
  • V2 = 3.50L
  • T1 = 298K
  • T2 = ?

2.96 × 2.25/298 = 2.17 × 3.5/T2

0.022T2 = 7.595

T2 = 7.595 ÷ 0.022

T2 = 345.23K

Therefore, if a gas in a balloon occupies 2.25 L at 298 K and 300 kPa. the temperature at which the balloon expand to 3.50L and 2.17 atm is 345.23K.

Learn more about temperature at: brainly.com/question/11464844

5 0
2 years ago
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