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ch4aika [34]
3 years ago
12

What does the arrow in chemical equations mean? (PLEASE HELP)

Chemistry
1 answer:
grin007 [14]3 years ago
6 0

Answer:

yields

Explanation:

I just did that quiz on k12 8th grade

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sp2606 [1]
The answer is an atom.
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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
3 years ago
Mixing vinegar and with baking soda produces carbon dioxide and water. Is this a chemical change or a physical change?
Sergeeva-Olga [200]
This is a simple chemical change due to what it produces and how it is added together. Hope this helps.
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3 years ago
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An atom has a mass number of 24 and 13 neutrons. What is the atomic number of this atom?
netineya [11]
A=Mass number=24
N=neutrons=13
Z=atomic number.

A=Z+N

24=Z+13
Z=24-13
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The atomic number is 11, and this atom is sodium. 
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How to make slime less sticky
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There are a few things you can do to make slime less sticky. You can either:
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