Extensive hydrogen bonding.
It takes a lot of energy to break hydrogen bonds and turn liquid water into a gas, therefore the boiling point for water is high.
physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed. For example, if a piece of paper is cut up into small pieces it still is paper.
Answer:
The rocket is now too heavy to reach its destination.
Explanation:
because translucent shades lets the light through easily (gentle diffusion)
MgH2 + 2 H2O → Mg(OH)2 + 2 H2
