chemistry
After 273 m3 of ethylene oxide is formed at 748 kPa and 525 K, the gas is cooled at constant volume to 293 K.The new pressure is _____kPa
chemistry
If methane at a pressure of 3.2 atm and at 21 °C is introduced into a container, the gas be heated to ______°C to increase the pressure to 12 atm. is it 352???
chemistry
i got 831 i dont think this is right???
chemistry
i got 352 is that right
chemistry
If methane at a pressure of 3.2 atm and at 21 °C is introduced into a container, the gas be heated to ______°C to increase the pressure to 12 atm.
Sound engineering
A Question of engineering about Sound. How to calculate in step by step? Thank you. The octave bands¡¦ Sound pressure levels in dB re 20 £g Pa are: Hz 57 129 220 420 1K 2K 4K 8K dB 85 95 90 80 88 70 68 72 What is the overall A-weighted sound pressure level?
Math
(x^2+y^2)^2=4(x^2-y^2) Equation of a lemniscate curve ?! Can you solve this
Math
(x^2+y^2)^2=4(x^2-y^2) Equation of a lemniscate curve
Physics
In order for a satellite in free fall to maintain uniform circular motion, ______________. a) there must be a tangential acceleration b) there must be angular acceleration c)there must be a centripetal force d) there must be a circumventing force Its either a or c. Can't c...
Physics
thx
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