A meteorological balloon contains 290 L of He at 20°C and 0.836 atm. It will burst if the
volume reaches 400 L. At what temperature
will the balloon burst if its pressure at that
bursting point is 0.568 atm?.
Answer in units of °C.

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j