Chemistry, 15.12.2020 04:00, danielboek
How many molecules of oxygen are produced when a sample of 38.9 g of water is decomposed by electricity?
A) 6.5 x 10^23
B) 1.3 x 10^24
C) 2.6 x 10^24
D) 2.3 x 10^25
Answers: 1
Chemistry, 21.06.2019 20:30, mimithurmond03
The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?
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Chemistry, 22.06.2019 10:50, lejeanjamespete1
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
Chemistry, 22.06.2019 12:40, valenzueladomipay09u
How does concentration affect reaction rate
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