Calculate the distance in meters a swimmer would travel in 1.5 hours at an average velocity of 2.0km/h

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 people not able to skip a dive to the deepest part of the ocean

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?