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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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I<br> 10. how many grams of koh are there in 200 grams of 10% by mass koh solution?
agasfer [191]

Answer: 20 grams

Explanation:

10=\frac{\text{grams of KOH}}{200}\\\text{grams of KOH}=20

5 0
2 years ago
A compound is known to consist solely of carbon, hydrogen, and chlorine. Through elemental
OleMash [197]

Answer:

the empirical (lowest raios) is

C2H4Cl    

Explanation:

A compound is known to consist solely of carbon, hydrogen, and chlorine. Through elemental analysis, it was determined that the compound is composed of 24.27% carbon.

What is the empirical formula of this compound?

the compound has ONLY C, H, and Cl

the % Cl  = 100% - 24.27% -4.03% = 71.7%

in 100 gm, there are 71.7 gm Cl, 24.27 gm C, and 4.03 gm H

the number of moles are Cl=71.7/70.91 =1.01= ~ 1

                                          C = 24.27/12.0 = 2.02 =~ 2

                                           H = 403/1.01 = 3.97 =~   4

so   the empirical (lowest raios) is

C2H4Cl      

                                 

                               

3 0
3 years ago
What is the half - life formula
VMariaS [17]

well an example, if the half-life of a 50.0 gram sample is 3 years, then in 3 years only 25 grams would remain. During the next 3 years, 12.5 grams would remain and so on.

7 0
3 years ago
Which of the following is a compound?<br><br> A Ne<br> B N2<br> C NaCI<br> D O2
Alexxandr [17]
<span>NaCI (C) is a compound</span>
3 0
3 years ago
Read 2 more answers
As energy moves out from the sun’s core toward its surface, it first travels by __________, then by __________, and then by ____
Lyrx [107]

Energy leaves the Sun's core and goes by radiation, convection, and radiation on its way to the surface.

Energy leaves the sun's core and initially travels towards the radiation zone. In the radiation zone, the gas is tightly compressed. Here, electromagnetic waves are absorbed and reradiated to transfer energy. Energy can take more than 100,000 years to get through this area because it is so dense.

Thus, energy radiates out initially from the core before being delivered by convection to the outer layers.

To know more about Radiation refer:

brainly.com/question/1497235

#SPJ4

6 0
2 years ago
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