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igor_vitrenko [27]
4 years ago
8

What atom has the larger atomic radius Ca or Ni ?

Chemistry
1 answer:
Harrizon [31]4 years ago
5 0

your answer is CA

says quizlet have and its right thanks

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The ionization energy of silver is 731 kJ/mol. Is light with a wavelength of 415 nm sufficient to remove an electron from a silv
sineoko [7]

The energy of the light with a wavelength of 415 nm is not sufficient to remove an electron from a silver atom in the gaseous phase.

<h3>Energy and wavelength of light</h3>

The energy and wavelength of light are related by the formula given below:

  • Energy = hc/λ
  • where, E = energy
  • h = Planck's constant
  • c = velocity of light
  • λ = wavelength of light

<h3>Calculating the energy of the light</h3>

From the data provided:

  • h = 6.63 × 10^-34 Js
  • c = 3.0 × 10^8 m/s
  • λ = 415 nm = 4.15 × 10^-7 m

E = (6.63 × 10^-34 × 3.0 × 10^8 m/s)/4.15 × 10^-7 m

E = 4.79 × 10^-19 J

Energy of light is 4.79 × 10^-19 J

Compared with the ionization energy of silver, the energy of the light is far less.

Therefore, the energy of the light with a wavelength of 415 nm is not sufficient to remove an electron from a silver atom in the gaseous phase.

Learn more about about ionization energy and energy of light at: brainly.com/question/14596067

8 0
3 years ago
What happens if you drink hydrogen peroxide?
ValentinkaMS [17]
When peroxide is swallowed, it generates oxygen bubbles in the stomach. Drinking higher concentrations of hydrogen peroxide can be very dangerous because it can cause tissue burns.
5 0
3 years ago
Which statement about enzymes is true?
Lelechka [254]

statement about enzymes that is correct is

b. they are large molecules that increase the rate of biologically important reactions

Enzymes are proteins that catalyse, in other words increase the rate of the biological reactions.

Biological functions that are vital for the bodies to survive, have large activation energy barriers. For this reason enzymes are used that reduce the activation energy required for the reaction to initiate. this enables the reactions to proceed.

Substrates bind to the enzyme, reaction occurs and substrate converts to products, that are released from the enzyme, leaving the enzyme unchanged.

so the correct answer is B.

7 0
3 years ago
Read 2 more answers
Question is in the files
Sedaia [141]

Answer:

it uses measure of speed

5 0
3 years ago
Determine the amount of both hydrogen and oxygen in a 500mL sample of Water.
alina1380 [7]
There would be about 1.67 x 10^25 oxygen atoms and about 3.34 x 10^25 hydrogen atoms.
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3 years ago
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