Which of the following groups of materials would most likely be used to build an electromagnet?
A bare wire, plastic rod, battery
B. bare wire, iron rod, light bulb
Cinsulated wire, iron rod, battery
D. insulated wire, plastic rod, light bulb

What is the value of keq for the reaction expressed in scientific notation

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Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?