The specific heat capacity of water is 4.18 J/g-C. You dissolve {x} grams of a salt with an enthalpy of solvation of {y} J/mol and a molar mass of {z} g/mol into 100 mL of water in an insulated calorimeter. The density of water is 1.0 g/mL. The initial temperature of the water is 25.0 degrees celsius. What should the maximum temperature of the solution reach? Give the answer to one decimal place.

You add {x} grams of anhydrous magnesium sulfate to {y} grams of sodium carbonate. What is the theoretical yield of the solid precipitate product? Give your answer to 3 decimal places

May 1, 2026

You measure the final mass of a product as {x}. The theoretical yield was {y}. What is the percent yield of the product? Give your answer to 1 decimal place.

May 1, 2026

You add solid iron (a black color) to a light blue solution of copper nitrate. After a few minutes, the solution turns a brown color and the solid metal in the solution turns a orangish red. In this reaction _______ was reduced and  _______ was oxidized

May 1, 2026