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adell [148]
2 years ago
7

How does evelyn hear music?​

Chemistry
1 answer:
olga_2 [115]2 years ago
4 0
Who even is Evelyn?
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Which of the following halogens has the weakest attraction for electrons?
Leokris [45]

Answer:

I

Explanation:

Among the halogens given in this problem, iodine has the lowest attraction for electrons.

This property is known as electronegativity.

Electronegativity is expressed as the relative tendency with which the atoms of the element attracts valence electrons in a chemical bond.

  • As you go down the periodic group the electronegativity decreases.
  • The most electronegative element on the periodic table is fluorine.
  • Down the group, iodine is the least electronegative
  • This is due to the large size of its atom.
4 0
3 years ago
2.0 kg of carbon is heated from 25°C to 55°C, and absorbs 42600 joules of heat in the process.
Marrrta [24]

Answer: c = 710 J/kg°C or 0.71 J/g°C

Explanation: Heat is expressed in the formula Q = mc∆T. Derive to find the specific heat c. So the formula will become c = Q / m∆T

c = Q / m∆T

= 42600 J / 2 kg ( 55°C - 25°C )

= 710 J /kg°C

Or can be expressed by converting kg to g.

c = 0.71 J /g°C

6 0
3 years ago
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An atom has a mass number of 24 and 13 neutrons. what is the atomic number of this atom?
Elodia [21]
do ityou times 24×13=312.
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Identify the activity that belongs in the field of chemistry.
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D. All of the above. Developing medicine, analyzing compounds and producing new product such as plastic all have to deal with chemistry. 
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What do these two changes have in common? snails growing shells a slice of banana turning brown
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both are done due to the enviroment??

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