A hydrated sample of Tin (II) Nitrate lost 23.5 % of water upon heating. What is the complete hydrated formula (solve for “x”). Show all work and put units on all numbers! (please help asap)

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

List four observations that indicate that a chemical reaction may be taking place

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water