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ivann1987 [24]
3 years ago
8

24

Chemistry
1 answer:
RUDIKE [14]3 years ago
3 0

Answer:

The exhaust system of the car is the excretory system that removes waste.

The gas in the car is the digestive system that provides the necessary energy.

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Which of these elements has the smallest atomic radius?
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3. be

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3 years ago
Solid a is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What ty
devlian [24]

This is covalent network type of solid.

For example, silicon dioxide (SiO₂) is covalent network solid with covalent bonding.

Covalent network solid is a chemical compound (or element) in which the atoms are bonded by covalent bonds in a continuous network extending throughout the material.

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More about network solid: brainly.com/question/15548648

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5 0
1 year ago
An aqueous solution of sodium
DochEvi [55]

Answer:

2.5×10^-7mol/dm^3

Explanation:

Firstly convert the cm^3 to dm^3

200×1000=200000dm^3

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2/200000=0.00001g/dm^3

To calculate mol/dm^3

Mol/dm^3=mass given\molar mass

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=2.5×10^-7mol/dm^3

8 0
3 years ago
Read 2 more answers
In the water cycle, matter moves against the pull of gravity during
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Evaporation and transpiration
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3 years ago
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