A sample of a hydrated salt weighing 1.167 g is heated until no more water is given off. The mass of the anhydrous salt was 0.6298 a) What is the mass of water lost by the sample?

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat

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.

What are the two largest greenhouse gases