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Alexxandr [17]
3 years ago
5

What did Rutherford's gold-foil experiment help him conclude?

Chemistry
2 answers:
Svetach [21]3 years ago
8 0
C. mass is protons and neutrons. Both are in the nucleus
GREYUIT [131]3 years ago
8 0

Answer:

That experiment led not only him but scientists in general to conclude and to prove that the atom's nucleous is not solid, proving Thomson's Plum Pudding model wrong and contradicting that previous hypothesis since the beam of positively charged particles pierced and ran through the foil, thus the volume of the atom is mostly unoccupied, setting up the fundamentals of what until these days is the concept of an atom. The most suitable answer would be then <em>C</em>.

Explanation:

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A certain quantity of ammonium nitrite is separated into its polyatomic components, and each polyatomic ion is then carefully tr
just olya [345]

Answer:

5000

Explanation:

you do stuff and more stuff

4 0
3 years ago
A car is traveling with an initial velocity of 15 m/s when the driver decides to go faster by accelerating at 5 m/s2 for 10 seco
Ilia_Sergeevich [38]

Answer: Time needed: 2.5 s

Distance covered: 31.3 m

Explanation:

I'll start with the distance covered while decelerating. Since you know that the initial speed of the car is 15.0 m/s, and that its final speed must by 10.0 m/s, you can use the known acceleration to determine the distance covered by

 

on one side of the equation and solve by plugging your values

To get the time needed to reach this speed, i.e. 10.0 m/s, you can use the following equation

Explanation:

7 0
3 years ago
A balloon is inflated with helium to a volume of 45L at room temperature (298K). If the balloon is cooled to 200.K, what is the
igor_vitrenko [27]

Answer:

V₂ = 30.20 L

Explanation:

Given data:

Initial volume = 45 L

Initial temperature = 298 K

Final temperature = 200 K

Final volume = ?

Solution;

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

V₂ = 45 L × 200 K / 298 k

V₂ = 9000 L.K / 298 K

V₂ = 30.20 L

8 0
3 years ago
Will you use CRISPR to genetically alter a preborn organism or will you inject it into a fully formed organism? (Please fully ex
valkas [14]
I cloud use help as well
8 0
3 years ago
4. Both vitamins and minerals are called protective foods. (True/False)​
Alekssandra [29.7K]

Answer:

true

Explanation:

hope this answer helps :)

3 0
3 years ago
Read 2 more answers
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