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julia-pushkina [17]
4 years ago
15

How do you predict chemical reaction on Li + N2 ➡️

Chemistry
1 answer:
lana66690 [7]4 years ago
6 0
This reaction involves two soluble ionic compounds and so is a potential double-displacement reaction. Follow this procedure to write balanced molecular equations for double displacement reactions, when you know only the formulas of the reactants
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Fill in the blank: <br> A correctly written hypothesis uses an ____ ______ statement
myrzilka [38]

Answer:

a theory of a experiment and the experiment acts like a judge determining if the hypothesis is right or wrong from the final test result

Explanation:

8 0
2 years ago
If I have 13 g of C, how many moles of C do I have?
Triss [41]
C = Carbon

If you look in a periodic table and see the mass number for carbon. Its estimated around 12.

I believe it's between 1-2 moles.

All you have to do is 13/12 which will give yoy the estimated answer which is around 1.08 mole.
4 0
3 years ago
What is the percent composition of the u.s quarter, which has the mass of 5.670g
Vitek1552 [10]
The percent composition of each element can be calculated as follows:
% composition = (mass of element / total mass) * 100

The total mass of the quarter is given to be 5.670 grams
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Substitute in the above equation to get the mass percentage of each element as follows:
% of Cu = (5.198/5.670) * 100 = 91.675%
% of Ni = (0.472/5.670) * 100 = 8.325%
6 0
3 years ago
Scientists who possess this attitude always report their observations and results truthfully.
vesna_86 [32]
I believe the correct answer from the choices listed above is the third option. Scientists who possess honesty always report their observations and results truthfully. It <span> connotes positive and virtuous attributes such as integrity, truthfulness, straightforwardness. Hope this answers the question.</span>
7 0
3 years ago
What is the charge on an electron?<br> O-1<br> O 0<br> O +1<br> O +2
GarryVolchara [31]

Answer:

-1

Explanation:

Because it is the smallest sub-atomic particle

7 0
3 years ago
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