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zzz [600]
3 years ago
8

Which of the following statements are consistent with Rutherford's nuclear theory as it was originally stated?

Chemistry
1 answer:
fomenos3 years ago
8 0

Answer:

A, B

Explanation:

A) This statement is consistent with Rutherford's nuclear theory as atom is mostly an empty space with tiny particles spread round. Exactly like our solar system in space, where sun be considered as nucleus containing neutron and proton and planets as electrons.

B) Yes ratio of size of atom to nucleus is 100000 is to 1. So, nucleus is quite smaller than the atom.

C) This is inconsistent with Rutherford's nuclear theory as till that time theory of neutron was not discovered.

D) An atom is neutral when no. of electrons( negative charge) is equal to no. of protons(positive charge). Therefore, it is inconsistent.

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The chemical formula for lithium fluoride is lif . a chemist determined by measurements that 0.035 moles of lithium fluoride par
Mnenie [13.5K]
Answer:
mass = 0.907865 grams

Explanation:
From the periodic table:
molar mass of Li = 6.941 grams
molar mass of F = 18.998 grams
Therefore:
molar mass of LiF = 6.941 + 18.998 = 25.939 grams/mole

number of moles can be calculated as follows:
number of moles = mass / molar mass
We have:
number of moles = 0.035 moles
molar mass = 25.939 grams/mole

Substitute in the equation to get the mass as follows:
0.035 = mass / 25.939
mass = 0.035 * 25.939 = 0.907865 grams

Hope this helps :)
3 0
3 years ago
This graph represents a population of molecules in a gas versus the distribution of the average velocity(speed) of its molecules
pshichka [43]

Answer:

Part A

Given that the graph is symmetrical and bell shaped, the average kinetic energy is given by the midline of graph, which corresponds to the common speed of the highest number of the population

Part B

The formula for the average kinetic energy, K.E. = (3/2)·(R/NA)·T

Therefore, the part of the graph that indicates the temperature of the sample is the average kinetic energy. K.E.

Part C

At a lower temperature, the heat is less evenly distributed and we have the distribution T2 higher than T1

Please see the attached graph created with MS Visio

Explanation:

3 0
3 years ago
When might a large volume of material have little mass?
il63 [147K]
For a solid I would say something like aerogel would have a large volume but very little mass.

Let me know if this helped or not.
5 0
4 years ago
How many neutrons are present in 1 atom of chlorine?
pav-90 [236]
The answer is A.18 let me know if you want an explanation
4 0
3 years ago
Read 2 more answers
What is the percentage of carbon in 5.00 g of sucrose
Irina-Kira [14]
The answer is rounded off to 0.0278 mol C6H12O6
3 0
3 years ago
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