Intr-un recipient se afla azot care ocupa volumul V1=2L la presiunea p1=10^5 N/m^2. Gazul se destinde izoterm pana volumul acestuia creste si devine V2=16V1. Sa se afle: a) presiunea gazului in stare finala
b)variatia energiei interne a gazului
c)lucrul mecanic si caldura primita de gaz in timpul procesului (ln2=0,7)

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m