A50.0-g sample of liquid water at 25.0 â°c is mixed with 23.0 g of water at 79.0 â°c. the final temperature of the water is â°c.

Can someone me with questions 15 to 17 plz.

Remember to use the proper number of significant figures and leading zeros in all calculations. gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

Compare and contrast the bohr model and the electron cloud models of the atom.