A buffer solution is prepared by adding NH4Cl to a solution of NH3 (ammonia). what happens if NaOH is added? NH3(aq)+ H2O(l) = NH4+(aq) +OH- (aq)​

Select the correct answer. you have a nightlight plugged into an outlet in the hallway, which uses 3.5 watts when plugged in. if the house circuit provides 120.0 volts, what is the current through this bulb?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?