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poizon [28]
3 years ago
11

2. Explain why atoms of the same element are not all identical.

Chemistry
1 answer:
GarryVolchara [31]3 years ago
6 0
They are not always identical because they have different isotope numbers which develops different neutrons numbers
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A sample of carbon dioxide occupies a volume of 2.50L liters at 300kPa pressure and a temperature 273K. What pressure would the
Drupady [299]

Answer:

The answer to your question is:    P2 = 846 kPa

Explanation:

Data

V1 = 2.5 l

P1 = 300 kPa

T1 = 273 °K

P2 = ?

V2 = 1 l

T2 = 308°K

Formula

             \frac{P1V1}{T1}  = \frac{P2V2}{T2}

             P2 = \frac{P1V1T2}{T1V2} \\

             P2 = \frac{(300)(2.5)(308)}{(273)(1)} \\

            P2 = \frac{231000}{273} \\

            P2 = 846 kPa

5 0
3 years ago
What is the tendency of a substance to undergo a chemical reaction
xxMikexx [17]

Answer:

REACTIVITY

Explanation:

what is the tendency of a substance to undergo a chemical reaction

In chemistry,  REACTIVITY is the impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy

8 0
3 years ago
So I need help with a phase changes story<br> Not rlly chemistry it’s more science
Doss [256]

Answer:

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7 0
3 years ago
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using the equation, C5H12 + 8O2 -&gt; 5CO2 + 6H2O, if 108 g of water are produced, how many grams of oxygen were consumed?
vodomira [7]
Molar mass:

H₂O = 18.0 g/mol

O₂ = 32.0 g/mol

<span>C</span>₅<span>H</span>₁₂<span> + 8 O</span>₂<span> -> 5 CO</span>₂<span> + 6 H</span>₂<span>O
</span>
8 x (32 g ) ------------ 6 x (18 g )
mass O₂ ------------ 108 g H₂O

mass O₂ = 108 x 8 x 32 / 6 x 18

mass O₂ = 27648 / 108

mass O₂ = 256 g

hope this helps!

3 0
3 years ago
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Vitek1552 [10]
I think it is A i am 25 out of 100 percent sure Good luck    XD
6 0
4 years ago
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