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Ilya [14]
3 years ago
15

What is the size of a popped balloon

Chemistry
1 answer:
Makovka662 [10]3 years ago
3 0
9,000 meters
Because density is altered by altitude, the helium balloon can reach a height of 9,000 meters, or 29,537 feet. Anything higher than this altitude will cause the helium within the balloon to expand and the balloon to pop.
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The properties of two elements are listed below. Element Atomic radius (pm) Ionic radius (pm) First ionization energy (kJ/mol) E
Sedbober [7]

Answer:

K will give up an electron more easily than Br.

Explanation:

Electronegativity of an element is a property that combines the ability of its atom to lose and gain electrons.

The lower the electronegativity value, the more electropositive an element is and the more readily it loses electrons.

From the data given, we see that Br has an E.N value of 3.0 and K has an E.N value of 0.82.

Therefore, Br is highly electronegative and it is able to attract electrons to itself whereas K has a low E.N value. K will give up electrons more readily.

Lookinf at other information in the table, the larger atomic radius and lower ionizaton energy of K are all pointers to how readily it would be able to lose electrons.

We can conclude that K is even a metal.

5 0
3 years ago
If an element has two or more atoms with the same number of protons but different number of neutrons it is called what
Oksana_A [137]
It’s called an isotope which is an atom with the same number of protons but a different number of neutrons
8 0
2 years ago
What are some lessons from
DaniilM [7]
That if we don’t separate our selves hundreds and thousands of people will die but if we stay apart it will resolve sooner
4 0
3 years ago
Read 2 more answers
Reaction rates are affected by how often the particles collide<br><br> true<br><br> false
SIZIF [17.4K]
This is true.

The reaction rates are affected by how often the particles collide.
4 0
3 years ago
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A quantity of water is heated from 25.0°C to 36.4°C by absorbing 325 J of heat energy. If the specific heat of water is 4.18 J /
Arlecino [84]

Answer:

6,8 g

Explanation:

c = 4.18 J/(g * °C) = 4180 J / (kg * °C)

t_{1} = 25 °C

t_{2} = 36,4 °C

Q = 325 J

The formula is: Q = c * m * (t_{2} - t_{1})

m = \frac{Q}{c * (t_{2} - t_{1} )}

Calculating:

m = 325 / 4180 * (36,4 - 25) ≈ 0,0068 kg = 6,8 g

6 0
3 years ago
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