6 719 174.875 balloons or 6 719 175 balloons for a 100 000 lb house or 45 360 kg home. This was for my grade 12 physics summative. Did pretty well ^^ The answer above adds in the string (7.2 x10^-4...
Only one if the balloon has enough heilum. You may want to restate the question more succinctly. ans 2 At standard conditions: 22.4 Liters of air weighs approximately 29 grams 22.4 Liters of helium...