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Dovator [93]
3 years ago
6

Given the following equation: 2 K3N ---> 6 K + N2 How many moles of N2 can be produced by letting 12.00 moles of K3N react?

Chemistry
1 answer:
myrzilka [38]3 years ago
8 0
The answer will be 12 nitrogen or N2 will be produced because if you changed the coefficient to 12 on the reactant side and distribute, the nitrogen would be 12 when distributed and what happens on one side has to equal to the other side, which is the product side.
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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
this organ has 2 parts, the cervix, which is the lower part that opens into the vagina, and the main body, called the corpus.​
lidiya [134]

Answer:

The correct answer is - the uterus.

Explanation:

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5 0
3 years ago
Which of the following elements has the lowest first ionization energy?
Tanya [424]

Answer:

(Sc)

Explanation:

7 0
4 years ago
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musickatia [10]

Answer:

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8 0
3 years ago
How many grams of potassium iodine, kl,must be added to 500.0 grams of water to produce a 6.00% solution ?
GuDViN [60]

Answer:

grams KI needed = 31.9 grams

Explanation:

? g KI + 500 g water => 6.0% KI solution

let x = grams KI needed.

Percent = part/total x 100% = (x/x+500)·100% = 6.0%

Solve for 'x' ...

x / x + 500 = 6/100 = 0.06 => x = 0.06(x + 500) => x = 0.06x + 30

x - 0.06x = 30 => 0.94x = 30 => x = 30/0.94 = 31.9 gms KI needed.  

6 0
3 years ago
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