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Makovka662 [10]
3 years ago
10

Copie no caderno e complete as ligações simples, duplas e triplas que estão faltando nas seguintes estruturas:

Chemistry
1 answer:
Stella [2.4K]3 years ago
6 0
Copie no caderno e complete as ligações simples, duplas e triplas que estão faltando nas seguintes estruturas<span>.</span>
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I need help ASAP!!!
fiasKO [112]

Answer:

cells; energy

Explanation:

3 0
4 years ago
Read 2 more answers
For the simple decomposition reactionAB(g)→ A(g) + B(g)Rate =k[AB]2 and k=0.2 L/mol*s . How long will it takefor [AB] to reach 1
mixer [17]

Answer:

6.66 s will it take for [AB] to reach 1/3 of its initial concentration 1.50 mol/L.

Explanation:

Rate = k[AB]^2

The order of the reaction is 2.

Integrated rate law for second order kinetic is:

\frac{1}{[A_t]} = \frac{1}{[A]_0}+kt

Where, [A_0] is the initial concentration  = 1.50 mol/L

[A_t] is the final concentration  = 1/3 of initial concentration = \frac{1}{3}\times 1.50\ mol/L = 0.5 mol/L

Rate constant, k = 0.2 L/mol*s

Applying in the above equation as:-

\frac{1}{0.5} = \frac{1}{1.50}+0.2t

\frac{1}{1.5}+0.2x=\frac{1}{0.5}

t = 6.66\ s

<u>6.66 s will it take for [AB] to reach 1/3 of its initial concentration 1.50 mol/L.</u>

5 0
3 years ago
Two people must have the same speed and velocity if A) they are walking toward each other at 2 m/s. B) they are walking away fro
Hitman42 [59]
C
is the answer
ur welcome


4 0
4 years ago
Read 2 more answers
What is the difference between the orbital periods of Mercury and Earth?
d1i1m1o1n [39]
The correct answer is B. The difference between the orbital period of planets Mercury and Earth is 0.76 years. The orbit of mercury is the most eccentric among the planets in the Solar system and the smallest planet. It has an orbital period of 88 Earth days.
8 0
3 years ago
Read 2 more answers
When an element is heated in a Bunsen burner flame, the resulting color of the flame changes can be used to identify the element
MrMuchimi

Answer:

When an electron moves from a higher to lower orbital, energy is released as waves of light.

Explanation:

The energy from the flame excites the electrons to orbitals of higher energy.

When the electrons drop to lower-energy orbitals, they release the excess energy as light waves.

4 0
3 years ago
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