Why do sugars molecules stay intact when dissolved by water?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

What are two different ways you could find the value of a? explain these methods.