Physics, 02.06.2021 21:10 Chartwig1908
Hey any grade 11 physics students here plz help As a chemist CVV Chemicals has asked you to determine the mass of Na2SO4 that it needs to purchase to produce and deliver the required 20kg of sodium sulphide. Calculate the mass of Na2SO4 needed to produce exactly 20kg of sodium sulphide
Answers: 3
Physics, 21.06.2019 18:10
How does the space charge width change with forward and reverse bias? also, calculate the space charge width for a reverse bias of 4v on a silicon pn junction at t = 300k and doping concentrations of na = 5x1015cm-3 , nd = 5x 1016 cm-3 .
Answers: 3
Physics, 21.06.2019 21:30
Aparticle with mass 1.81×10−3 kg and a charge of 1.22×10−8 c has, at a given instant, a velocity v⃗ =(3.00×104m/s)j^. what are the magnitude and direction of the particle’s acceleration produced by a uniform magnetic field b⃗ =(1.63t)i^+(0.980t)j^?
Answers: 2
Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 23.06.2019 01:00
What is the role of the water cycle in maintaining freshwater levels in lake and rivers?
Answers: 1
Hey any grade 11 physics students here plz help
As a chemist CVV Chemicals has asked you to determi...
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