An administrator in a very large company wants to estimate the mean level of nitrogen oxides (nox) emitted in the exhaust of a particular car model in their very large fleet of cars. historically, nitrogen oxide levels have been known to be normally distributed with a standard deviation of 0.15 g/ml. what is the parameter of interest that the administrator wants to estimate?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?