5.Calculate the approximate boiling point (in oC) of a solution of 285 g of C6H1206 (molar mass = 180.18 ) in 2.0 kg of water. (Kb=0.51 oC/m) *

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.

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?