the total charge of 9.0 mC passes through a cross-sectional area of a nichrome wire in 3.5 sa What is the current in the wire? b. How many electrons pass through the cross-sectional area in 10.0 s? c. If the number of charges that pass through the cross-sectional area during the given time interval doubles, what is the resulting current?

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings