A1.547 g sample of blue copper(ii) sulfate pentahydrate, ‍ , is heated carefully to drive off the water. the white crystals of that are left behind have a mass of g. how many moles of ‍ were in the original sample? show that the relative molar amounts of and ‍ agree with the formula of the hydrate.

The same side of the moon always faces earth because the

At 35.0°c and 3.00 atm pressure, a gas has a volume of 1.40 l. what pressure does the gas have at 0.00°c and a volume of 0.950 l? which equation should you use? p2= p1v1t2/t1v2what is the pressure of the gas? 3.92 atm these are the answers

An experiment is conducted to see if cats preferred skim milk or 2% milk. a cup of skim milkwas put out for 5 kittens and then measured how much the kittens drank over the course of aday. following a cup of 2% milk was purout for the skittens and then masured how much thekittens drank over the course of a day. the same kittens were used and the milk was served atthe same temperature. it was discovered that the cats liked the 2% milk more than the skimmilk. what is the dependent variable in this experiment?