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hoa [83]
2 years ago
12

Which of the following are characteristics of ionic compounds?

Chemistry
1 answer:
Rasek [7]2 years ago
8 0

Answer:

Ionic compounds have high melting points.

Ionic compounds are hard and brittle.

Ionic compounds dissociate into ions when dissolved in water.

Solutions of ionic compounds and melted ionic compounds conduct electricity, but solid materials do not.

Explanation:

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5 0
3 years ago
When can all the coefficients in a balanced equation represent volume ratios? when reactants and products are solids at stp when
Alexxx [7]

Answer: when reactants and products are gases at STP.


Justification:


1) STP stands for standard temperature (0°) and pressure (1 atm).


2) According to the kinetic molecular theory of the gases, and as per Avogadro's principle, equal volumes of gases, at the same temperature and pressure, have the same number of molecules.



3) Since the coefficients in a balanced chemical equation represent number of moles, when reactants and products are gases at the same temperature and pressure, the mole ratios are the same that the volume ratios, and then the coefficients of the chemical equation represent the volume ratios.


8 0
3 years ago
Read 2 more answers
Why is water necessary for rusting to happen?
Triss [41]
You need oxygen and water
5 0
3 years ago
What do scientists fear the effect of continued logging will be on the rain forests??
shutvik [7]
What do you think will happen if trees are cut down? What do you think will happen to the surrounding area on the rainforests? What are found in rainforests?
5 0
3 years ago
How many liters of water can be formed if 1.65 liters of ethylene are consumed
alexandr1967 [171]
Ethylene Burns in the presence of O₂ to produce CO₂ and H₂O vapors;

                               C₂H₄  +  3 O₂   →   2 CO₂  +  2 H₂O

According to equation, 

22.4 L (1 mole) C₂H₄ reacts completely to produce  =  44.8 L (2 moles) of H₂O

So, 

1.65 L of C₂H₄ on complete reaction will produce  =  X L of H₂O

Solving for X,

                                  X  =  (1.65 L × 44.8 L) ÷ 22.4 L

                                  X  =  3.3 L of H₂O
4 0
3 years ago
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