Chemistry, 10.10.2021 14:00 cordovatierra16
Describe the methods by which an electric potential develops in primary cells and dry cells.
Describe the methods by which an electric potential develops in generators and thermocouples.
Identify the scenarios below as to whether they would increase or decrease the resistance of an electric current through a body.
a. Increase the length of the conductor
b. Utilize a conductor with a larger cross-section
c. Cool the conductor to lower its temperature
If 0.8 Wh of electrical energy is lost as heat, how much heat energy (in Btu) is produced?
How many kilowatt-hours of energy would be used by a 40 W bulb that runs for 10 hours every day during the course of one year?
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Which element is the least metallic between cadmium, silver, zinc, or iron?
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16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
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Chemistry, 22.06.2019 15:20
Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.
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Describe the methods by which an electric potential develops in primary cells and dry cells.
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