How many grams of oxygen are there in 2.5 moles of oxygen (O2) molecules?

Numbers with a end value of 4 or lower are rounded up, while with an end value of 5 or higher are rounded down. true or false?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

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.