Physics, 07.12.2021 06:20 amakayla57
.Người ta mạ kẽm với dung dịch ZnSO4. Cường độ dòng điện qua bình điện phân là 110 A. Tính thời gian cần thiết để giải phóng 1 kg kẽm. Cho biết AZn = 65,4g/mol, hóa trị n=2
Answers: 3
Physics, 22.06.2019 12:00
In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
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The substances that are necessary for producing of certain hormones and that store and transport vitamins
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What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus
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Physics, 22.06.2019 17:40
Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.
Answers: 2
.Người ta mạ kẽm với dung dịch ZnSO4. Cường độ dòng điện qua bình điện phân là 110 A. Tính thời gian...
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