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Balance the following equation:
Ca + N2 = Ca3N2

Hey there!

Ca + N₂ → Ca₃N₂

Balance N.

2 on the left, 2 on the right. Already balanced.

Balance Ca.

1 on the left, 3 on the right. Add a coefficient of 3 in front of Ca.

3Ca + N₂ → Ca₃N₂

Our final balanced equation: 3Ca + N₂ → Ca₃N₂

Hope this helps!

and 1and 1

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.