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givi [52]
2 years ago
8

Can someone plz help me? :(

Chemistry
2 answers:
Snezhnost [94]2 years ago
6 0

Answer:

The answer is a. I learned that they can multiply by using your cells

scoray [572]2 years ago
5 0

Answer:

C.

Explanation:

The toxins get released, as they poison and damage your body's cells. They also damage your lungs, heart, and veins that are inside the body.

hope this helps.

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A photon of light possesses 5 x 10^-19 J of energy. Calculate its frequency
saveliy_v [14]

Answer:

The frequency of photon is 0.75×10¹⁵ s⁻¹.

Explanation:

Given data:

Energy of photon = 5×10⁻¹⁹ J

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E = hf

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4 0
3 years ago
Calculate the oxidation numbers of the elements in this equation<br> 2 Al2O3 → 4 Al + 3 O2
riadik2000 [5.3K]

Explanation:

Answer

Open in answr app

The rule used here is that the algebraic sum of the oxidation numbers of all the atoms a molecule is zero.

Al2O32× ( oxidation number of Al)+3× ( Oxidation number of O )  = 0

2× ( Oxidation number of Al) +3(−2)=0

2× ( oxidation number of Al) +6

∴ Oxidation number of Al =+3

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3 years ago
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