PLZ HELP THIS IS DUE IN 20 MIN! 45PTS! Base your answers in this section on the heating curve below. The graph shows the temperature of 1 gram of a substance that is a solid at -15 degrees C and is heated at a constant rate of 60 kilojoules (kJ) of energy added per minute.

The heat of fusion (kJ/g) -?

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f

Explain that newton first law,second law and third law of motion?