How does improving food-storage facilities make farming more sustainable? a. it decreases the amount of water needed. b. it keeps food from rotting as quickly and being wasted. c. it decreases the amount of land needed. d. it keeps chemicals from entering the watershed.

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

What reaction is taking place? 02 + c3h8 = h20 + co2

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.