Estimate the molecular weight of a polymer if a 100.-mL solution of 6.5 g of the polymer in toluene has an osmotic pressure of 0.044 atm at 27°C.

What is a homogeneous mixture of two or more substances uniformly dispersed throughout the mixture?

Under what conditions will light bend? a) Never b) When it slows down while going through space c) When it speeds up while going through space d) When it passes from one medium to another

Which quantity is equivalent to 39 grams of LiF?

How are air masses classified? A. by the direction they move B. by weather conditions they bring C. by their size and shape D. by the locations where they are formed

How much of a 0.250 M lithium hydroxide is required to neutralize 20.0 mL of 0.345M chlorous acid?

importance of pH value in daily life

How do metallic bonds differ from covalent and ionic bonds

Will ag2so4 precipitate when 100 ml of 5.0*10-2 m agno3 is mixed with 10 ml of 5.0*10-2mna2so4 solution?

How many grams of H₂ are produced with the reaction of 36 grams of water? 2 Na + 2 H20 - > 2 NaOH + h2

Which statement is the best description of a chemical bond? A. A chemical bond connects 2 different molecules. B. A chemical bond holds atoms together. c. A chemical bond turns molecules into atoms. D. A chemical bond identifies atoms in a molecule.