Aburning candle is covered by a jar as shown in the picture. the whole arrangement has a mass of 500 g. what will be the approximate mass of the arrangement when the candle is completely burnt, after four minutes? a) 0 g b) 50 g c) 250 g d) 500 g

How would you reduce the volume of gas

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g