To write the <span>balanced net ionic equation (include physical states) for the following reaction it should be the below:
</span><span>HClO2(aq) + OH^-(aq) ==> H2O(l) + ClO2^-(aq)
</span>
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I think this answer is D or C
Melted rock and minerals under the earths crust are called magma
Explanation:
(a)
The given data is:-
Energy = 2391 Calories
The conversion of calories to J is shown below as:-
1 calorie = 4.184 J
So,
Energy = 4.184 * 2391 J = 10003.944 J
Answer in four significant digits: - 
(b)
The conversion of calories to kJ is shown below as:-
1 calorie = 0.004184 kJ
So,
Energy = 0.004184 * 2391 kJ = 10.003944 kJ
Answer in four significant digits: - 
(c)
The conversion of calories to kWh is shown below as:-
1 calorie = 
kWh
So,
Energy = 
kWh = 0.002778873 kWh
Answer in four significant digits: - 
The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.
