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Lelechka [254]
4 years ago
13

What does weight measure?

Chemistry
2 answers:
Luda [366]4 years ago
4 0
C because I’m space there’s no gravity meaning things are weightless
Alex787 [66]4 years ago
3 0
C. Force of gravity acting on an object
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view each ecosystem at your table. Think about the resources that are necessary in order for each to be successful. List all of
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Organisms compete for the resources they need to which are survive- air, water, food, and space.

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The ionic radius for Na+ is 0.097 ηm and for Cl- is 0.181 ηm, the absolute value of the charge for each ion is 1.6x10-19 C, ε_o=
Vanyuwa [196]

Answer:

B = (2.953 × 10⁻⁹⁵) N.m⁹

Explanation:

At equilibrium, where the distance between the two ions (ro) is the sum of their ionic radii, the force between the two ions is zero.

That is,

Fa + Fr = 0

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Fa = (|q₁q₂|)/(4πε₀r²)

Fr = -B/(r^n) but n = 9

Fr = -B/r⁹

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|q₁| = |q₂| = (1.6 × 10⁻¹⁹) C

(1/4πε₀) = k = (8.99 × 10⁹) Nm²/C²

r = 0.097 + 0.181 = 0.278 nm = (2.78 × 10⁻¹⁰) m

(k|q₁q₂|)/(r²) = (B/r⁹)

(k × |q₁q₂|) = (B/r⁷)

B = (k × |q₁q₂| × r⁷)

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B = (2.953 × 10⁻⁹⁵) N.m⁹

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3 years ago
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po jakiemu to jest XD

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What volume is occupied by 0.104 mol of helium gas at a pressure of 0.91 atm and a temperature of 314 K ?
Aleksandr-060686 [28]

Answer:

The volume will be "2.95 L".

Explanation:

Given:

n = 0.104

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= \frac{nRT}{P}

By putting the values, we get

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