The bonds that are broken when water vaporizes are 1.nonpolar covalent bonds 2.covalent bonds between atoms within water molecules. 3.hydrogen bonds between water molecules. 4.polar covalent bonds. 5.ionic bonds.

May someone me with these science questions

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.