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Liula [17]
3 years ago
12

The theoretical yield of zinc oxide in a reaction is 486 g. What is the percent

Chemistry
1 answer:
PtichkaEL [24]3 years ago
8 0

Answer:

the correct answer is c

Explanation:

becuase i had the same question

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The rate constant for this second‑order reaction is
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daddadaddddddddddddddddddddddddddddda

Explanation:

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What is the most abundant gas in Earth's present day atmosphere?
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3 years ago
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What is the wavelength of a photon with an energy of 3.50 x 10^-19 J ?
Leokris [45]

Answer:

λ = 5.68×10⁻⁷ m

Explanation:

Given data:

Energy of photon = 3.50 ×10⁻¹⁹ J

Wavelength of photon = ?

Solution:

E = hc/λ

h = planck's constant = 6.63×10⁻³⁴ Js

c = 3×10⁸ m/s

Now we will put the values in formula.

3.50 ×10⁻¹⁹ J =  6.63×10⁻³⁴ Js × 3×10⁸ m/s/ λ

λ =  6.63×10⁻³⁴ Js × 3×10⁸ m/s / 3.50 ×10⁻¹⁹ J

λ =  19.89×10⁻²⁶ J.m / 3.50 ×10⁻¹⁹ J

λ = 5.68×10⁻⁷ m

8 0
2 years ago
The nucleus of an isotope of sulfur contains 34 neutrons. what is the atomic number of this isotope?
Flauer [41]
The atomic number of an element never changes no matter how many neutrons they have so Sulfur would just have an atomic number of 16 like normal.
8 0
3 years ago
i have a crossword thing that i got from school and one of the clues is: If there are two equal and opposite forces on something
cluponka [151]
I would assume the answer is called attractive
6 0
2 years ago
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