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Gennadij [26K]
3 years ago
13

12 +1 C6How many protons, electrons, and neutrons are there

Chemistry
1 answer:
hram777 [196]3 years ago
4 0
6 protons, 6 neutrons, and 5 electrons
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Describe how to make 1.50 liters of a 0.01 M ammonium chloride solution
Charra [1.4K]
Hello!

To know how many grams of Ammonium Chloride ( a solid) you'll need to make 1.50 L of a 0,01 M solution you'll need to use the definition of molar concentration (M=mol/L) in the following way:

1,50 L* \frac{0,01 mol NH_4Cl}{1L}* \frac{53,489gNH_4Cl}{1 mol NH_4Cl}=0,8023 g NH_4Cl

So, you'll need to dissolve 0,8023 g of Ammonium Chloride in 1,5 L of water to make this solution.

Have a nice day!
4 0
4 years ago
What is meant by a “ chain reaction “ ?
lilavasa [31]

Answer:

a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.

Explanation:

the self-sustaining fission reaction spread by neutrons which occurs in nuclear reactors and bombs.

a series of events, each caused by the previous one.

5 0
3 years ago
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HELLP ME PLSSS
Dima020 [189]

Answer:

B

Explanation:

conduction is the transfer of heat between objects that touch

8 0
3 years ago
Which element can be identified as having 16 protons?
Radda [10]

Answer:

Sulfur is the only element that can be identified as having 16 protons nothing more and nothing less

7 0
3 years ago
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The electronic transition in a hydrogen atom from n = 7 to n = 2 emits electromagnetic radiation having a longer wavelength than
Tema [17]

Answer: I'll leave the answer rounded to three sig figs.

mark me brainlist

So, you can say that in a hydrogen atom, an electron located on  

n

i

=

2

that absorbs a photon of energy  

4.85

⋅

10

−

19

 

J

can make the jump to  

n

f

=

6

.

Explanation:

The question wants you to determine the energy that the incoming photon must have in order to allow the electron that absorbs it to jump from  

n

i

=

2

to  

n

f

=

6

.

A good starting point here will be to calculate the energy of the photon emitted when the electron falls from  

n

i

=

6

to  

n

f

=

2

by using the Rydberg equation.

3 0
3 years ago
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