created by In the demonstration, observe what happens when substances at differe

Question

created by In the demonstration, observe what happens when substances at different temperatures are mixed. The observed temperature changes in the first experiment between different samples of water can be explained by the fact that energy is observations in the second experiment result from copper transferring energy to the water samples at different temperatures. The increases water exothermic In the demonstration that involves the neutralization of HCl and NaOH (the fourth experiment), the transferred between system includes and the surroundings include stays the same only water creating energy in only reactants The microscopic view of the neutralization reaction shows that water molecules and the graph and thermometer show that the temperature of the water Therefore, the mixing of NaOH and HCl solutions is decreases endothermic the reactants and products speed up slow down only products

Explanation / Answer

First Paragraph

Transferred between...

....transferring energy to water...

2nd Paragraph

.....Reactant and product..

......Only water...

3rd Paragraph

Speed up

increase

4th Paragraph

Exothermic

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