Assume the population is normally distributed. given a sample size of 225, with sample mean of 750 and standard deviation of 30 we perform the following hypothesis test, H0: u=745 Ha:# 745 U

What does x represent in the formula for the compound xcl4?

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

How many moles of al3+ ions are in 1.25 moles of al2o3