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Karolina [17]
3 years ago
8

What other element had the same number of electrons as potassium??

Chemistry
1 answer:
sergiy2304 [10]3 years ago
4 0

Answer:

Potassium is the only element with 19 electrons.

Explanation:

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3 years ago
Select the organic compounds. Select all that apply.<br><br> CO<br> C2H6<br> CH4<br> CO2<br> NaCO2
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If a certain person has a mass of 250kg on earth, would that person's mass be on the moon, if the moon's gravity is 1.62m/s2? *
xxMikexx [17]

Answer:

it remains the same

Explanation:

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7 0
3 years ago
If you needed to make 100 mL of a 0.2 M fruit drink solution from the 1.0 M fruit drink
telo118 [61]

Answer:

We take 20.0 mL of the 1.0 M fruit drink solution and then add 80.0 mL of water to make 100 mL of a 0.2 M fruit drink solution.

Explanation:

Using the rule that: the no. of millimoles of a solution before dilution is equal to the no. of millimoles of the solution after the dilution. (MV) before dilution = (MV) after dilution. M before dilution = 1.0 M, V before dilution = ??? mL. M after dilution = 0.2 M, V after dilution = 100 mL. ∴ V before dilution = (MV) after dilution / M before dilution = (0.2 M)(100 mL) / (1.0 M) = 20.0 mL. So, we take 20.0 mL of the 1.0 M fruit drink solution and then add 80.0 mL of water to  make 100 mL of a 0.2 M fruit drink solution  

8 0
3 years ago
CO2 + H2O --&gt; C2H2 + O2
vagabundo [1.1K]

Answer:

C2H2 + 5 O2 = 4 CO2 + 2 H2O

Add / Edited: 27.09.2014 / 25.01.2015

Evaluation of information: 5.0 out of 5 / number of votes: 2

Source: https://chemiday.com/en/reaction/3-1-0-339

Explanation:

5 0
3 years ago
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