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3 years ago

Which of the following animals exhibits bilateral symmetry?

Chemistry

2 answers:

GarryVolchara [31]3 years ago

5 0

Option three, starfish is the correct answer since if you draw a line between it, it would be even!

nirvana33 [79]3 years ago

5 0

Answer is: 4. Sea horse.

Seahorse is species of small marine fishes in the genus Hippocampus.

A seahorse has a bilateral line of symmetry, if it cut along a central axis, the left and right half would be congruent.

In bilateral symmetry or plane symmetry, the sagittal plane divides an organism into roughly mirror image halves.

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Answer :

Charles's Law : It is defined as the volume is directly proportional to the temperature of the gas at constant pressure and number of moles.

Mathematically,

$V\propto T$

Boiling water bath Cool bath 1 Cool bath 2

Temperature (⁰C) 99 17 2

Temperature (K)(T) 273+99=372 273+17=290 273+2=275

Volume of water 0.0 27.0 34.0

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Volume of water= 135.8 135.8 135.8

Air in flask (mL)

Volume of air 135.8 108.8 101.8

in cool flask (V)

$\frac{V}{T}$ $\frac{135.8}{372}=0.365$ $\frac{108.8}{290}=0.375$ $\frac{101.8}{275}=0.370$

The graph volume versus temperature for a gas is shown below.

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3 years ago

Fill in the blanks: Electrons are ___ in an ionic bond, whereas they are___ in a polar covalent bond, and ___ in a nonpolar cova

NNADVOKAT [17]

Answer:

The correct answer is "transferred; unequally shared; equally shared".

Explanation:

Ionic bonding occurs when a positively charged atom (cation) interacts with a negatively charged atom (anion). In ionic bonding, the cation transfers its electron to the anion. In polar covalent bonding, electrons are unequally shared. This means that the electrons spend more time in an atom than the other, which gives partial positive and negative charges to the atoms. On the other hand in nonpolar covalent bonding, the electrons are equally shared and no charges are created.

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