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Pavlova-9 [17]
3 years ago
8

ANSWER PLS ASAP Fireworks are an example of a amount of energy being

Chemistry
1 answer:
Georgia [21]3 years ago
3 0

Answer:

large, released

Explanation:

As we know, fireworks contain l o t s of energy, even before the burst of colors release. So i think choice 3 is the answer.

i hope this helps :)

You might be interested in
Obtain the valence shell configuration of Al and S from their positions in the periodic table.
lutik1710 [3]

Answer:

Al: 3

S: 6

Explanation:

Al is in Group III. This means that it has 3 valence electrons.

S is in Group VI. This means that it has 6 valence electrons.

I hope this helps :)

3 0
3 years ago
11) How many grams of NH, can you make if you use 23 moles of nitrogen gas?
natita [175]

782g

Explanation:

Given parameters:

Number of moles of N₂ = 23moles

Unknown:

Mass of NH₃ = ?

Solution:

We first obtain the balanced chemical equation for this reaction;

    N₂   +    3H₂   →   2NH₃

From the equation we see that;

     1 mole of N₂ produced 2 moles of ammonia

    23 mole of N₂ will yield 2 x 23 = 46moles of ammonia

Now ;

mass of ammonia = number of moles x molar mass

Molar mass of NH₃ = 14 + 3(1) = 17g/mol

 Mass of ammonia = 46 x 17 = 782g

learn more:

Number of moles brainly.com/question/1841136

#learnwithBrainly

5 0
3 years ago
The universe is estimated to be how old?
bonufazy [111]
Its D. 13-14 billion years
7 0
3 years ago
Read 2 more answers
what is the average atomic mass of 125 atoms of uranium if there are 10 atomd of U-234, 75 atoms of U-235, and 40 atoms of U-238
zimovet [89]

Answer is: the average atomic mass of 125 atoms of uranium is 235.88.

ω(U-234) = 10 ÷ 125.

ω(U-234) = 0.080.

ω(U-235) = 75 ÷ 125.

ω(U-235) = 0.60.

ω(U-238) = 40 ÷ 125.

ω(U-238) = 0.320.

Average atomic mass of atoms of uranium =

Ar(U-234) · ω(U-234) + Ar(U-235) · ω(U-235) + Ar(U-238) · ω(U-238).

Average atomic mass of atoms of uranium =

234 · 0.08 + 235 · 0.6 + 238 · 0.32.

Average atomic mass of atoms of uranium = 18.72 + 141 + 76.16.

Average atomic mass of atoms of uranium = 235.88.

8 0
3 years ago
Thisss for you blake :)))
Lady_Fox [76]
I’m not Blake but ok
4 0
3 years ago
Read 2 more answers
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