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ddd [48]
3 years ago
12

CAN SOMEONE PLEASE CHECK MY ANSER PLASE

Chemistry
2 answers:
Naya [18.7K]3 years ago
8 0
<span>F they attract
F
F (Schroegener is the cloud)
T




</span>
<span>the uncertainty principle states that the position and velocity cannot both be measured,exactly, at the same time (actually pairs of position, energy and time)
uncertainty principle derives from the measurement problem, the intimate connection between the wave and particle nature of quantum objects
the change in a velocity of a particle becomes more ill defined as the wave function is confined to a smaller region
the wave nature to particles means a particle is a wave packet, the composite of many waves
many waves = many momentums, observation makes one momentum out of many
exact knowledge of complementarity pairs (position, energy, time) is impossible
complementarity also means that different experiments yield different results (e.g. the two slit experiment)
therefore, a single reality can not be applied at the quantum level
the mathematical form of the uncertainty principle relates complementary to Planck's constant
knowledge is not unlimited, built-in indeterminacy exists, but only in the microscopic world, all collapses to determinism in the macroscopic world



True



Pictures:

pic.1) true

pic 2) I got no idea









</span>
Leokris [45]3 years ago
6 0
1.True
2.False
3.B
4.A
5.True
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Which of the following best defines balanced forces?
Mars2501 [29]

Answer:

Balanced forces are forces that act in opposite directions and cancel each other out

let me know if you have any other questions

6 0
2 years ago
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Consider the equilibrium reaction. 2 A + B − ⇀ ↽ − 4 C After multiplying the reaction by a factor of 2, what is the new equilibr
vredina [299]

Answer : The correct expression for equilibrium constant will be:

K_c=\frac{[C]^8}{[A]^4[B]^2}

Explanation :

Equilibrium constant : It is defined as the equilibrium constant. It is defined as the ratio of concentration of products to the concentration of reactants.

The equilibrium expression for the reaction is determined by multiplying the concentrations of products and divided by the concentrations of the reactants and each concentration is raised to the power that is equal to the coefficient in the balanced reaction.

As we know that the concentrations of pure solids and liquids are constant that is they do not change. Thus, they are not included in the equilibrium expression.

The given equilibrium reaction is,

4A+2B\rightleftharpoons 8C

The expression of K_c will be,

K_c=\frac{[C]^8}{[A]^4[B]^2}

Therefore, the correct expression for equilibrium constant will be, K_c=\frac{[C]^8}{[A]^4[B]^2}

4 0
3 years ago
(a) Given that Ka for acetic acid is 1.8 X 10^-5 and that for hypochlorous acid is 3.0 X 10^-8, which is the stronger acid? (b)
Gala2k [10]

Answer:

HOAc is stronger acid than HClO

ClO⁻ is stronger conjugate base than OAc⁻

Kb(OAc⁻) = 5.5 x 10⁻¹⁰

Kb(ClO⁻) = 3.3 x 10⁻⁷

Explanation:

Assume 0.10M HOAc => H⁺ + OAc⁻  with Ka = 1.8 x 10⁻⁵

=> [H⁺] = √Ka·[Acid] =√(1.8 x 10⁻⁵)(0.10) M = 1.3 x 10⁻³M H⁺

Assume 0.10M HClO => H⁺ + ClO⁻ with Ka = 3 x 10⁻⁸

=> [H⁺] = √(3 x 10⁻⁸)(0.10)M = 5.47 x 10⁻⁵M H⁺

HOAc delivers more H⁺ than HClO and is more acidic.

Kb = Kw/Ka, Kw = 1 x 10⁻¹⁴

Kb(OAc⁻) = 5.5 x 10⁻¹⁰

Kb(ClO⁻) = 3.3 x 10⁻⁷

4 0
3 years ago
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Answer:

Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.

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Chemical change involves formation of new substances. Therefore, the correct answer is "Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form."

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2 years ago
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