The temperature of an ideal gas in a sealed 0.60 m3 container is reduced from 440 K to 270K. The final pressure of the gas is 40kPA. The molar heat capacity at constant volume of the gas is 28.0 J/mol * K. What is the work done by the gas?

zero

-51 kJ

-66 kJ

66 kJ

51 kJ

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

Could we see a galaxy that is 20 billion light-years away?