Chemistry, 13.04.2021 16:10 adeline12401
22. Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an 42.0-g sample after 90 hours?
Answers: 2
Chemistry, 23.06.2019 08:00, oopsorry
Determine the number of moles of air present in 1.35 l at 750 torr and 17.0°c. which equation should you use? n=pv/rt what is the number of moles present? ⇒ 0.056 mol a sample of n2 gas occupying 800.0 ml at 20.0°c is chilled on ice to 0.00°c. if the pressure also drops from 1.50 atm to 1.20 atm, what is the final volume of the gas? which equation should you use? v2= p1v1t2/p2t1 what is the final volume of the gas? ⇒ 932 ml these are the answers
Answers: 1
Chemistry, 23.06.2019 09:00, Drellibus70011
Agust of wind blowing east pushes against a ball. when will the wind do work on the ball? when the ball moves to the east when the ball moves to the north when the ball stays in one place when the ball moves north or south
Answers: 1
22. Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an 42.0-g sample after...
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