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Propane and methane gas tuong3-69C justice is often used for heating in winter, and leakage of fuel, even for nganthoi time, posing a fire hazard to the house. Gas leak that lamban think poses a greater risk for fire? Thich.3-70C solutions under these conditions are reasonable assumptions tuongphu gas with gas actually? 3-71C what is the difference between Rand Ru? How relevant naohai? 3-72C what is the difference between mass and volume molarkhoi? Both are related like? 3-73 A spherical balls with a diameter of 6 m is to adopt helium at 20 ° C and 200 kPa. Determine the number of moles and volume of the helium in the balloon. The answer: chokmol 9.28, 37.15 kg
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