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Melting Ice melts when heat energy causes the molecules to move faster, breaking the hydrogen bonds between molecules to form liquid water.
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C) MgO aka magnesium oxide
Answer:
-14
Explanation:
You have to subtract 136 from 138 then subtract that from 12 & that is your low melting point.
Answer:
Explanation:
The perfect illustration for the Table is shown below:
Generic Reactions Reactants Products Transition state
Synthesis
A + B → AB A+B = -15 kJ AB = 20 kJ 30 kJ
Single
Replacement
C + AB → CB + A C + AB = 65 kJ CB + A = 30 kJ 85 kJ
Double
Replacement
AB+CD → AD+CB AB+CD = 10 kJ AD+CB = 60 kJ 70 kJ
We are tasked to create the potential energy diagrams for each of the three chemical reactions.Then, analyze the data and your diagrams for each reaction.
TO ANSWER THAT ; I HAVE CAREFULLY DRAWN THE POTENTIAL ENERGY DIAGRAMS FOR THE THREE CHEMICAL REACTIONS & THE ANALYSIS FOR EACH ARE SHOWN IN THE DIAGRAMS ATTACHED BELOW .
NOW; over to the total change in enthalpy and the activation energy: Using the energy values provided for each reaction is : we can see the calculation of the total change in enthalpy and the activation energy in the diagram as well by using the energy values provided for each reaction.
Activation Energy Enthalpy change
Synthesis reaction 45 kJ + 35 kJ
Single replacement 20 kJ - 35 kJ
reaction
Double replacement 65 kJ + 50 kJ