CHEMISTRY HIGH SCHOOL

A nuclear fission reaction and a nuclear fusion reaction are similar because both reactions(1) form heavy nuclides from light nuclides
(2) form light nuclides from heavy nuclides
(3) release a large amount of energy
(4) absorb a large amount of energy

Answers

Answer 1
Answer:

Both reactions release a large amount of energy is the statement that is correct about the similarity between a nuclear fission reaction and a nuclear fusion reaction.

A nuclear reaction is a procedure that leads to combining and modifying the nuclei of atoms, absorbing or releasing particles and energy according to each case.

  • When nuclei fragment, the reaction is known as nuclear fission, which releases energy.

  • The reaction that occurs when two light atomic nuclei join together is known as nuclear fusion, generating a heavier nucleus and releasing a large amount of energy.

Therefore, we can conclude that while in a fusion reaction two or more light nuclei unite, in a fission reaction a heavy nucleus breaks, both cause the release of energy.

Learn more about nuclear reactions here: brainly.com/question/14019172
Answer 2
Answer:

Answer: (3) release a large amount of energy

Explanation:

Nuclear fusion is a process which involves the conversion of two small nuclei to form a heavy nuclei along with release of energy.

4_1^1\textrm{H}\rightarrow _2^4\textrm{He}+2_(+1)^0\textrm{e}+\text{energy}

Nuclear fission is a process which involves the conversion of a heavier nuclei into two or more small and stable nuclei along with the release of energy.

_(92)^(235)\textrm{U}+_0^1\textrm{n}\rightarrow _(56)^(143)Ba+_(36)^(90)Kr+3_0^1\textrm{n}+\text{energy}

Thus in the both the reactions energy is released.

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The part of the atom that carries a positive charge is the _____, and the part that carries a neutral charge is the _____.neutron; proton
electron; proton
proton; electron
proton; neutron

Answers

Answer : Option D) Proton and Neutron.

Explanation : The part of the atom that carries a positive charge is the proton, and the part that carries a neutral charge is the neutron.

A proton is a small subatomic particle, denoted by symbol p or p^(⁺), with a positive electric charge of +1 e elementary charge and a mass which is slightly less than that of a neutron. It is located at the center o atomic nucleus along with neutron. The number of protons are equal to the number of electrons of that atom but are in opposite charges.

A neutron is a subatomic particle of an atom which is of the same mass as that of proton but without an electric charge, it is present in all atomic nuclei except those of ordinary hydrogen. It is also located at the center of an atomic nucleus.
Proton; neutron
Protons have a positive charge
Neutrons are neutral
Electrons have a negative charge :)

How many moles are in 1.9 x 10^25 molecules of carbon dioxide

Answers

1 mole ----------- 6.02x10²³ molecules
? moles --------- 1.9x10²⁵ molecules

moles = 1.9 x 10²⁵ * 1 / 6.02x10²³

= 1.9 x 10²⁵ / 6.02x10²³

= 31.561 moles

hope this helps!

1. A tuning fork has a frequency of 280 hertz, and the wavelength of the sound produced is 1.5 meters. Calculate the velocity of the wave. - Answer:
2. A wave is moving toward shore with a velocity of 5.0 m/s. If its frequency is 2.5 hertz, what is the wavelength?
- Answer:
3. A jump rope is shaken producing a wave with a wavelength of 0.5 m. with the crest of the wave passing a certain point 7 times per second. What is the velocity of the wave?
- Answer:
4. The lowest pitch that the average human can hear has a frequency of 20.0 Hz. If sound with this frequency travels through air with a speed of 331 m/s, what is its wavelength?
- Answer:
5. A microwave has a frequency of 4,255 Hz. and a wavelength of 0.05 m. What is the microwave’s velocity?
- Answer:
6. A sound wave travels with a velocity of 460 m/s and has a frequency of 820 Hz. What is its wavelength?
- Answer:
7. A wave at sea travels with a velocity of 32 m/s. If it has a wavelength of 8 m. what is its frequency?
- Answer:
8. What is the frequency of a wave that has a velocity of 21.3 m/s and a wavelength of 7.8 m?
- Answer:

Answers

Based on the calculation, the velocity of this wave is equal to 420 m/s.

Given the following data:

  • Frequency of turning fork = 280 hertz.
  • Wavelength of sound produced = 1.5 meters.

How to calculate the velocity of a wave?

Mathematically, the velocity of a wave is calculated by using this formula:

V = λF

Where:

  • F is the frequency of a wave.
  • V is the velocity of a wave.
  • λ is the wavelength of a wave.

Substituting the given parameters into the formula, we have;

V = 1.5 × 280

V = 420 m/s.

Note: You should use the above formula to solve the other questions.

Read more on frequency here: brainly.com/question/19250621

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velocity = frequency x wavelength. 1) v = 280 x 1.5 = 420m/s 2) w = v / f = 5 / 2.5 = 2m 

In amino acid "valine", the terminal groups attach with what atom?

Answers