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?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 00:40, eamccoy1

Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).

Answers: 2

continue

Chemistry, 22.06.2019 09:00, oliviacolaizzi

Ineed to find the answer of this question because i dont understand it

Answers: 1

continue

Chemistry, 22.06.2019 17:30, ander67061

Air can be considered a mixture. which statement does not explain why?

Answers: 1

continue

Chemistry, 23.06.2019 01:00, harh5863

Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration