Which beverage is a homogeneous mixture? A. Tea with no ice
B. Pure water
C. Soft drink with both ice and carbonation
D. Soft drink with ice

Answer is c.

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.