The critical angle for total internal reflection for light traveling from a particular type of glass to air is 38.2 ∘. What is the index of refraction of this glass?

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

Water moves to the top of tall trees because of a) capillary action b) surface tension c) capillary action and evaporation d) vapor pressure