I need help with this plz

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

Acar travels 40m in 8 seconds find the car speed

Which correctly identifies the parts of a transverse wave? a: crest b: amplitude c: wavelength d: trough a: trough b: amplitude c: crest d: wavelength a: trough b: amplitude c: wavelength d: crest a: crest b: amplitude c: trough d: wavelength