QUESTION 2 In Experiment 5 (Energy and Matter), after boiling your substance, why do you need to plot your data and obtain a graph? To find volume of the substance To find density of the substance To get used to graphing tecnique for our future studies Graphs are less accurate than calculations To determine the temperature change for heat calculations QUESTION 3 In Experiment 5 (Energy and Matter), what substance are you going to use to obtain a heating curve? Salol Hot Water Both salol and water. Cool Water. Ice QUESTION 4 In Experiment 5 (Energy and Matter), the graph of heating curve will have axis of ? Temperature(Celcius) versus Time(min) Temperature(Celcius) versus Time(seconds) Time versus Density Temperature versus Specific heat Temperature(Fahrenheit) versus Time(min) 1