A 25.00 gram sample of methylene chloride has a volume of 18.8 mL. What is the specific gravity of methylene chloride? The density of water is is 1.00 g. mL.

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.