7) How much heat is needed to change 28.5g of liquid water to steam? H2O(1) > H2O(g) AH= 44.OKJ * 06.97kJ O 18.0kJ 69.7KJ O -6.97kJ -18.0kJ 0 -69.7kJ​

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?

Heat is the total potential energy of a substance that can be transferred. true false

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy