Physics, 30.04.2021 14:00 TH3L0N3W0LF
La catodul unei băi electrolitice prin care circulă un curent electric cu intensita-
tea de 2,5 A în 50 min. s-au depus 4,65 g de cositor. Să se determine:
a) echivalentul electrochimic al cositorului;
b) intervalul de timp în care la catod s-ar depune 8,37 g de cositor la o intensitate
a curentului prin baie egală cu 7,5 A.
Answers: 1
Physics, 22.06.2019 07:40
Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents
Answers: 2
Physics, 22.06.2019 10:30
In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?
Answers: 1
Physics, 22.06.2019 11:30
In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
Answers: 1
Physics, 22.06.2019 14:00
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
La catodul unei băi electrolitice prin care circulă un curent electric cu intensita-
tea de 2,5 A...
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