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nasty-shy [4]
3 years ago
15

What was Ernest Rutherford's experiment?

Chemistry
1 answer:
Dafna1 [17]3 years ago
6 0

Answer:

C. He shot tiny alpha particles through a piece of gold foil.

Explanation:

In the year 1911, Ernest Rutherford performed the gold foil experiment which gave a deeper perspective to the structure of an atom.

He simply collided a thin gold foil with an alpha particle which he generated from a radioactive source. He discovered that most of the alpha particles passed through the thin gold foil but a few were deflected back. His discovery led to the proposition of the nuclear model of the atom.

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1. Explain the two processes that keep atmospheric oxygen and carbon dioxide at stable levels?
lesya [120]

Cellular Respiration and Photosynthesis. Photosynthesis is the process of when plants use sunlight to make foods from carbon dioxide and water, to later on make oxygen. Cellular respiration is the process through which cells convert sugars into energy.

4 0
3 years ago
Rank the compounds in each set in order of increasing acid strength.
Viktor [21]

Answer:

See explanation

Explanation:

For this question, we have to remember the effect of an atom with high <u>electronegativity</u> as "Br". If the "Br" atom is closer to the carboxylic acid group (COOH) we will have an <u>inductive effect</u>. Due to the electronegativity of Br, the electrons of the C-H bond would be to the Br, then this bond would be <u>weaker</u> and the compound will be more acid (because is easier to produce the hydronium ion H^+).

With this in mind, for A in the last compound, we have <u>2 Br atoms</u> near to the acid carboxylic group, so, we will have a high inductive effect, then the C-H would be weaker and we will have <u>more acidity</u>. Then we will have the compound with only 1 Br atom and finally, the last compound would be the one without Br atoms.

In B, the difference between the molecules is the <u>position</u> of the "Br" atom in the molecule. If the Br atom is closer to the acid group we will have a <u>higher inductive effect</u> and more <u>acidity</u>.

See figure 1

I hope it helps!

5 0
3 years ago
Elements placed in the same group have similar chemical properties. Which one of the following has different chemical property?
Westkost [7]

Answer:

Na has the different chemical property

3 0
2 years ago
Which of the following best describes the make up of Saturn's rings?(1 point) solid bands of sand and dust that formed from the
nikdorinn [45]

Answer:

Which of the following best describes the make up of Saturn's rings?(1 point) solid bands of sand and dust that formed from the start of the universe solid bands of sand and dust that formed from the start of the universe material from comets that have passed through Saturn's atmosphere material from comets that have passed through Saturn's atmosphere dust, rock, and ice particles that orbit due to Saturn's gravity dust, rock, and ice particles that orbit due to Saturn's gravity debris and rocks from other planets that orbit around Saturn

7 0
2 years ago
Given the unbalanced equation: al + cuso4 --&gt; al2(so4)3 + cu. when properly balanced, the sum of the balancing coefficients i
elena-14-01-66 [18.8K]
2Al + 3CuSO₄  =  Al₂(SO₄)₃ + 3Cu

∑=2+3+1+3=9

c. 9
3 0
2 years ago
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