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Dennis_Churaev [7]
2 years ago
15

Describe the subatomic structure of the nucleus, including the structure of each nucleon. Draw a picture. Describe the forces th

at hold the nucleus together and draw them on your diagram. Explain how beta emission works.
Chemistry
1 answer:
lapo4ka [179]2 years ago
7 0
<h3>Subatomic structure:--</h3>
  • A powerful force keeps the subatomic structure of the nucleus together.
  • In addition to holding the nucleons together, which make up the nucleus, it also holds the three quarks together to create a nucleon. A proton or neutron could be a nucleon.
  • Two up quarks and one down quark make up the proton. One up quark and one down quark make form a neutron.
  • There is a weak force as well.
  • The neutron may be converted to a proton and electron combined or a proton may be converted to a neutron mixed with a positron.

<h3>Structure of nucleon:-</h3>
  • A nucleon is a proton or a neutron when seen as a component of an atomic nucleus in chemistry and physics.
  • An isotope's mass number (also known as its nucleon number) is determined by how many nucleons it contains
  • Nucleons were believed to be single, elementary particles up until the 1960s.

<h3>Forces that hold nucleus together:-</h3>
  • The nuclear force, a short-range force between nucleons, is what binds a nucleus together.
  • The nuclear force is repellent at very tiny distances, preventing protons and neutrons from approaching one another too closely.

<h3>How beta emission work?</h3>
  • The beta emission process converts a neutron into a proton, an electron, and an antineutrino. A work force is involved in beta decay.

Learn more about nucleus here brainly.com/question/1732994

#SPJ10

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In a coffee-cup calorimeter, 1 mol NaOH and 1 mol HBr initially at 22.5 oC (Celsius) are mixed in 100g of water to yield the fol
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ΔH = -55.92 kJ

Explanation:

<u>Step 1:</u> Data given

1 mol NaOH and 1 mol HBr initially at 22.5 °C are mixed in 100g of water

After mixing the temperature rises to 83 °C

Specific heat of the solution = 4.184 J/g °C

Molar mass of NaOH = 40 G/mol

Molar mass of HBr = 80.9 g/mol

<u>Step 2: </u>The balanced equation

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<u>Step 3:</u> mass of NaOH

Mass = moles * Molar mass

Mass NaOH = 1 * 40 g/mol

Mass NaOH = 40 grams

Step 4: Mass of HBr

Mass HBr = 1 mol * 80.9 g/mol

Mass HBr = 80.9 grams

Step 5: Calculate ΔH

ΔH = m*c*ΔT

ΔH= (100 + 40 + 80.9) * 4.184 * (83-22.5)

ΔH= 220.9 * 4.184 * 60.5

ΔH= 55916.86 J = 55.92 kJ

Since this is an exothermic reaction, the change in enthalpy is negative.

ΔH = -55.92 kJ

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