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FromTheMoon [43]
3 years ago
7

Recall all the models you described in task 1. Think about the results each model would predict for the experiment with hydrogen

gas. Which models of the atom does the experimental evidence support? Explain why these models are compatible with the experimental results.
Chemistry
1 answer:
SpyIntel [72]3 years ago
3 0

Answer:

Rutherford's theory laid the foundation upon which Bohr's model is founded. Rutherford established the fact that at the center of the atom, there is a nucleus whose radius is smaller than the radius of the atom. This nucleus is positively charged and most of the mass of the atom is concentrated there. Electrons move round this nucleus in orbits.

The experimental evidences of the Bohr's model shows that Rutherford's model was fundamentally correct. However, Bohr's model introduced the idea of quantization of the energy of electrons in an atom. The model went further to explain the spectra lines of the hydrogen atom.

Explanation:

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Sub-groups on periodic table
marissa [1.9K]

Answer:

Subgroups S, P, D, F, including elements of blocks s, p, d, f, respectively.

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4 0
3 years ago
If a 3.7851 bottle were filled with NaCl .how many atoms would be in the bottle.p bleach 1.⁰90g/mol
CaHeK987 [17]

Answer:

8.7961 mol

Explanation:

6 0
3 years ago
4. What is the overall nuclear fusion reaction in the Sun? Briefly describe the proton–proton chain.
Pachacha [2.7K]

Nuclear fusion is the source of all energy the Sun releases into space. The Sun fuses hydrogen at a steady rate, thanks to a natural feedback process that acts as a thermostat for the Sun's interior (p-p chain). Solar energy production remains steady because the rate of nuclear fusion is very sensitive to temperature.

<h3>Nuclear fusion</h3>

When two or more atomic nuclei join, one or more new atomic nuclei and subatomic particles are created. This reaction is known as nuclear fusion (neutrons or protons). Energy is released or absorbed depending on how much mass the reactants and products have in common.

The atomic nuclei before and after the reaction had different nuclear binding energies, which is how this difference in mass developed. Active or main sequence stars, along with other high-magnitude stars, are powered by nuclear fusion, which releases enormous amounts of energy. Energy will often be released during nuclear fusion that creates atomic nuclei lighter than iron-56 or nickel-62. Both their mass and nucleon binding energy are relatively high for these elements.

Learn more about Nuclear fusion here:

brainly.com/question/12701636

#SPJ4

8 0
2 years ago
If have a volume of 18 L of a gas at a temperature of 272 K and a pressure of 90 atm, what will be the pressure of the gas if ra
Solnce55 [7]

Answer:

P₂ ≅ 100 atm (1 sig. fig. based on the given value of P₁ = 90 atm)

Explanation:

Given:

P₁ = 90 atm                    P₂ = ?

V₁ = 18 Liters(L)              L₂ = 12 Liters(L)      

=> decrease volume => increase pressure

=> volume ratio that will increase 90 atm is (18L/12L)                                                                  

T₁ = 272 Kelvin(K)          T₂ = 274 Kelvin(K)

=>  increase temperature => increase pressure

=> temperature ratio that will increase 90 atm is (274K/272K)

n₁ = moles = constant    n₂ = n₁ = constant

P₂ = 90 atm x (18L/12L) x (274K/272K) = 135.9926471 atm (calculator)

By rule of sig. figs., the final answer should be rounded to an accuracy equal to the 'measured' data value having the least number of sig. figs. This means P₂ ≅ 100 atm based on the given value of P₁ = 90 atm.

3 0
3 years ago
An object was measured by a worker as 14.6cm long, however, the manufacturer specifications list the length of the object at 14.
mars1129 [50]

it's 0.2cm different from the expected value, wich was 14.6cm

how many percent that are is calculated in the screenshot.

rounded it's 1.37%

4 0
3 years ago
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