John can travel 560 meters to his house and 540 seconds what is his velocity​

Melting 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.

Why are pipes bursting in the in extremely cold weather?

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11