A student mixed two chemicals (system) to allow them to react. The thermometer (surroundings) recorded the temperature before the reaction at 18°C and after the reaction at 25° C.
Question 1
1.
Which of the following is true?
Question 2
2.
How did heat flow in this reaction?
Question 3
3.
Is this an endothermic or exothermic reaction? Explain your reasoning in 1 sentence or less. Click on Show Work and type in response using the text box (T) button.
Question 4
4.
Explain why breaking bonds is considered an endothermic process?
Question 5
5.
Which is true?
Question 6
6.
Which is true?
Question 7
7.
Ice melting is an exothermic process
Question 8
8.
Explain how this graph shows that the two objects reached thermal equilibrium
