Acid deposition results from burning fossil fuels that release that react in the atmosphere to form acids that fall back to earth as acid rain, snow, and fog.

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

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.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule