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What happens when the temperature of a solution increases?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.