Which of the following is an example of water in its gas state? 1. A puddle
2. Water vapor
3. A glacier
4. A cloud

What are four significant sources of ghgs that come from wostem washington?

In a ball-and-stick molecular model, what do the sticks represent?

Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)