A standard backpack is approximately 30cm x 30cm x 40cm. Suppose you find a hoard of pure gold (density = 19.3 g/cm 3 ) while treasure hunting in the wilderness. How much mass would your backpack hold if you filled it with the gold?

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.

What is the main reason why some developing countries fear the increase the free trade policies around the world?

The number at the end of an isotope’s name is the number.