Which of the following is an endothermic reaction? question 1 options: sodium chloride dissolving in water strong hydrochloric acid dissolving in water a liquid changing to a gas sugar dissolving in water

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Which is true of a liquid? it has a definite volume but not a definite mass. it has a definite mass but not a definite volume. it has a definite volume but not a definite shape. it has a definite shape but not a definite volume.