An air compressor used with a paint sprayer does 61.0 J of work pumping air into a tank. Warmed by the process, the air in the tank gives off 35.0 J of energy to its surroundings. What is the change in the internal energy of the air in the tank as a result of the two processes?

The formula is (nh4)2co3

Isec i will do it and them i will let you know

English , i don't understand spanish.

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.