Analyze complete and balance the following equation co2(g)+hcl(aq)

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j