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Mila [183]
4 years ago
13

What technological development led to the discovery of the existence of subatomic particles?

Chemistry
1 answer:
andriy [413]4 years ago
4 0

Answer:

Thomson had discovered the first subatomic particle, the electron. Six years later Ernest Rutherford and Frederick Soddy, working at McGill University in Montreal, found that radioactivity occurs when atoms of one type transmute into those of another kind

Explanation:

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The chain reaction in nuclear reactors requires the absorption of neutrons in order to maintain control of the reaction.
julsineya [31]
The answer is true hope this helps

7 0
3 years ago
How many equivalents of Mg2+ are present in a solution that contains 2.60 moles of Mg2+ ?
harina [27]

Answer:

Science. Chemistry. Chemistry questions and answers. How many equivalents of Mg2+ are present in a solution that contains 2.65 moles of Mg2+ ? Express your answer using three …

Expert Answer. 100% (5 ratings) Number of equivalents of an ion …. View the full answer. Transcribed image text: Question 4 (0.5 points) How many equivalents of Mg2+ are present in …

how many equivalents of Mg2+ are present in a solution that contains 2.75 mol of Mg2+?

A:

5.50 eq

Explanation:

3 0
1 year ago
How is the kinetic energy of the constituent particles of any matter affected by a change in temperature?
SpyIntel [72]

Answer:

Particles in all states of matter are in constant motion and this is very rapid at room temperature. A rise in temperature increases the kinetic energy and speed of particles; it does not weaken the forces between them. ... Individual particles in liquids and gases have no fixed positions and move chaotically.

Explanation:

5 0
3 years ago
A sample of rest of the following composition 51.85 g of iron 22.22 g of oxygen 16.67 g of water
valentinak56 [21]

Answer:

To calculate the percent composition, we need to know the masses of C, H, and O in a known mass of C9H8O4. It is convenient to consider 1 mol of C9H8O4 and use its molar mass (180.159 g/mole, determined from the chemical formula) to calculate the percentages of each of its elements:

%

C

9

mol C

×

molar mass C

molar mass

C

9

H

18

O

4

×

100

=

9

×

12.01

g/mol

180.159

g/mol

×

100

=

108.09

g/mol

180.159

g/mol

×

100

%

C

60.00

%

C

3 0
2 years ago
A student sets up a compost bin outdoors. Inside the bin microorganisms convert the student’s vegetable and paper scraps into ri
zhenek [66]
B i think thats it,.,,.,
6 0
3 years ago
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