One child holds the gas hydrogen balloon with a volume of 1.05 at temperature 20oc dm3 755 mmHg when the balloon drifted into the air in the ploi, high volume of gas vapor is don and Jane if the pressure of the balloon decreases as kao 625 mmHg.0.87 g dm 3ข. 1.27 dm31.18 dm3.1.52 dm3.
การแปล กรุณารอสักครู่..
