Calculate the molar solubility of fe(oh)2 in pure water. (the value of ksp for fe(oh)2 is 4.87×10−17.) express the molar solubility in moles per liter to two significant figures. 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.

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas

What is the best describtion of the side of the moon that faces earth?