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Lera25 [3.4K]
3 years ago
14

Al+Mn2+>Al3++Mn. How many electrons will be lost in all?

Chemistry
1 answer:
Alisiya [41]3 years ago
5 0
It is probably 6 just divide
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which of the following experiments follow ethical standards? A.)performing test on animals when the information can be obtained
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The answer is D because it sounds like the most ethical answer. The other choices are wrong because the could possibly hurt someone or an animal.
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3 years ago
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sample of atmospheric gas collected at an industrial site is stored in a 250 mL amber glass bottle that has a pressure of 1.02 a
Nady [450]

Answer:- New pressure is 0.942 atm.

Solution:- The volume of the glass bottle would remain constant here and the pressure will change with the temperature.

Pressure is directly proportional to the kelvin temperature. The equation used here is:

P_1T_2=P_2T_1

Where, T_1 and T_2 are initial and final temperatures, P_1 and P_2 are initial and final pressures.

T_1 = 20.3 + 273.15 = 293.45 K

T_2 = -2.0 + 273.15 = 271.15 K

P_1 = 1.02 atm

T_2  = ?

Let's plug in the values in the equation and solve it for final pressure.

1.02atm(271.15K)=P_2(293.45K)

P_2=\frac{1.02atm*271.15K}{293.45K}

P_2 = 0.942 atm

So, the new pressure of the jar is 0.942 atm.


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bixtya [17]

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Percent composition by element

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