Answer:
I'm sure but send thru this picture for the question so I can help.
Answer:
D
Explanation:
Sparking can be caused by defective cooktop elements, loose connectors, a wire with frayed insulation or a broken wire arcing over to the appliance metal frame, says Appliance Repair. If the cause of the sparking is a broken wire or a wire with frayed insulation, do not attempt to splice the wire; you must replace it. Repair Clinic suggests checking the spark ignition switches, as they might be defective and in need of replacing.
I think it could possibly could be D
LiClO3 has mole of mass of 90 g/mol
So 38.7 g means 0.43 mol
Since in this reaction, LiClO3 : O2 = 2:3, then it will produce 0.43*3/2 = 0.645 mol O2
So it is equivalent to 0.645 * 32 = 20.64 g O2
there needs to be more info