Commercial cold packs consist of solid ammonium nitrate and water. Nh4no3 absorbs 25. 69 kj of heat per mole dissolved in water. In a coffee-cup calorimeter, 3. 40 g nh4no3 is dissolved in 100. 0 g of water at 21. 0 c. What is the final temperature of the solution? assume that the solution has a specific heat capacity of 4. 18 j/gk.

How does the us declaration differ from the texan declaration

Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x

Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. lactobacillus bacteria present on the surface of the cabbage combine with salt to turn the cabbage into a crunchy, sour dish. what chemical process occurs to create this dish? a. alcoholic fermentation b. cellular respiration c. conservation d. lactic acid fermentation e. photosynthesis