A sample of pure lead weights 2.07 gm dissolves in nitric acid to give a solution of lead nitrate. the soln is treated with HCl, cl2,NH4CL,.The result in the precipitation of (NH4)2pbcl6.what was the maxm wt of this product that could be obtained from lead sample?​

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

How does the motion of particles in a gas change as the gas cools