Chemistry, 22.04.2021 17:10 igocrazy594
A helium balloon is used to bring a weather satellite up into the higher atmosphere. In the upper
atmosphere, the balloon will be at 7,000 mL at a pressure of 60 kPa and a temperature of -40 °C. What
volume would the balloon need to be filled on the ground where the pressure is 1 atm and 25°C?
5,300 mL
O 537,000 mL
-262,500 mL
-2590 mL
Answers: 2
Chemistry, 22.06.2019 12:00
Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
Answers: 1
Chemistry, 22.06.2019 12:30
Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
Answers: 2
A helium balloon is used to bring a weather satellite up into the higher atmosphere. In the upper...
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