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Wewaii [24]
3 years ago
5

Are Sharks Color Blind?

Chemistry
1 answer:
melisa1 [442]3 years ago
5 0

Answer:

Sharks are color blind, which means they cannot see a lot of colors clearly, but this does not stop them from hunting their prey as they have many tricks up their sleeves. Coming up in this article, we look at what colors sharks are least attracted to, if whale sharks are blind, and if sharks are blind when they attack.

Explanation:

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If the relative activities of two metals are known which metal is more easily oxidized
Ksivusya [100]
Answer: The metal that has a greater reactivity is more easily oxidized.

Explanation:

Oxidation is when the elements lose electrons and increase their oxidation state.

The metals tend to react by losing electrons and form the corresponding cation.

For expample, sodium (an alkalyne metal) loses one elecron and form the cation Na¹⁺ , then this cation combine with an anion and form compounds like NaCl, NaOH. The same do the other alkalyne metals.

Magnesium (an alkalyne earth metal) loses two electrons and form the cation Mg²⁺, then it combines with some anions to form compounds, like MgSO₄, Mg(OH)₂.

So, the easier the metal gets oxidized the greater its reactivity.




6 0
3 years ago
When electrons flow steadily in one direction, the current is:
Sonbull [250]
The answer is direct
7 0
3 years ago
What is the fraction of the hydrogen atom's volume that is occupied by the nucleus? the bohr radius is 0.529×10−10m?
Arturiano [62]

Volume of a sphere = 4/3 x pi x r^3

When put a fraction of volume constant 4/3 x pi cancels out.

So only cube of radii remains.

Radius of proton = 10^-15 m (Fact; remember it)

Radius of total Hydrogen atom = 0.529 × 10^−10 m

Fraction of Volumes : R'^3/R^3 = (R/R)^3

Fraction = ((10^-15)/(0.529 × 10^−10m.))^3= (1/52900)^3 =

6.755 x 10^-15

6 0
3 years ago
What is the Celsius equivalent of 212°f
larisa86 [58]
212 degrees Fahrenheit is equivalent to 100 degrees Celsius.

4 0
4 years ago
Read 2 more answers
How many moles of carbon dioxide are present in 14g of co2
Tomtit [17]

0.32 moles

You just do 14/ 44.01 (the atomic mass of carbon + oxygen's atomic massX2)

8 0
3 years ago
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