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Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: