Chemistry, 02.02.2020 06:40 taylor6543
Aweather balloon is inflated with helium to a volume of 825 l at sea level, where the temperature is 30°c and the barometric pressure is 760 torr. the balloon rises to an altitude of 4500 feet where the pressure is 645 torr and the temperature is 6°c. what is the change in volume of the balloon in going from sea level to 4500 feet?
Answers: 1
Chemistry, 22.06.2019 08:00
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
Answers: 1
Aweather balloon is inflated with helium to a volume of 825 l at sea level, where the temperature is...
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