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gladu [14]
2 years ago
10

_____________________ are trying to create better batteries that can store more energy, so that electric cars can travel further

on one charge.
Chemistry
2 answers:
lidiya [134]2 years ago
8 0

Answer:

options?

Explanation:

i mean scientists fits so if any of the options have a scientist thats it

bonufazy [111]2 years ago
8 0

Answer:

Scientists, Chemists, engineers, inventors there is a wide range of answers but if there are options (like A. scientist B. chemists and so on) you need to edit your question and put them in

Explanation:

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3 years ago
Many homeowners treat their lawns with CaCO3(s) to reduce the acidity of the soil. Write a net ionic equation for the reaction o
Agata [3.3K]

The reaction of acid, assuming HCl and calcium carbonate always produces a gas. The reaction is as follows:
2 HCl + CaCO3 --> CaCl2 + H2CO3 
H2CO3, carbonic acid, is a weak acid that is unstable in water solutions at high concentrations. As such, it decomposes: 
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Then, 
2 HCl + CaCO3 --> CaCl2 + H2O + CO2 
The total ionic equation looks as follows: 
2H+(aq) + 2 Cl-(aq) + CaCO3(s) --> Ca+2(aq) + 2 Cl-(aq) + H2O(l) + CO2(g) 
Clearly, Cl- is a spectator ion as it is unchanged in the reaction. The net ionic reaction looks as follows: 
2 H+(aq) + CaCO3(s) --> Ca+2(aq) + H2O(l) + CO2(g)
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amid [387]
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sergejj [24]

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Hi Sydney!

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