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Dennis_Churaev [7]
3 years ago
12

What electrical charge does protons has

Chemistry
2 answers:
zalisa [80]3 years ago
8 0
Protons has "Positive" charge on them

Hope this helps!
Sveta_85 [38]3 years ago
7 0
If i am correct positive
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Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq) , as described b
Katyanochek1 [597]

Answer:

m_{MnO_2}=1.378gMnO_2

Explanation:

Hello,

In this case, we first apply the ideal gas equation to compute the moles of produced chlorine:

n_{Cl_2}=\frac{PV}{RT}=\frac{765 Torr*\frac{1atm}{760Torr}*0.385L}{0.082\frac{atm*L}{mol*K}*298.15K} =0.01585molCl_2

Then, by considering the given reaction, applying the stoichiometry, that shows a 1 to 1 relationship between chlorine and manganese dioxide, we find:

m_{MnO_2}=0.01585molCl_2*\frac{1molMnO_2}{1molCl_2} *\frac{86.937gMnO_2}{1molMnO_2} \\m_{MnO_2}=1.378gMnO_2

Best regards.

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3 years ago
How does light pollution affect plants and animals?
swat32

Answer:

sunlight

Explanation:

The plants and animals get confused with the artificial light that is used by the human beings.

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elena-14-01-66 [18.8K]

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3. describe natural sources of radiation. infer some of the dangers that radiation can impose.
maxonik [38]

Answer:

All of us are exposed to radiation every day, from natural sources such as minerals in the ground, and man-made sources such as medical x-rays. According to the National Council on Radiation Protection and Measurements (NCRP), the average annual radiation dose per person in the U.S. is 6.2 millisieverts (620 millirem).

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