Chemical reactions with metals may create some interesting results such as a precipitate. what is a precipitate? question 3 options: a. a gas that forms when two liquids are mixed b. a solid that forms when two liquids are mixed c. a liquid that forms when two solids are mixed d. a solid that forms when two gasses are mixed

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

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.

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?