Why does vinegar dissolve in water but oil does not? a. vinegar is nonpolar like water, but oil is polar. b. vinegar is a pure substance, but oil is already a mixture. c. vinegar is polar like water, but oil is nonpolar. d. vinegar is a mixture, but oil is a pure substance like water.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)