a 10g cookie is burned in a calorimeter causing the temperature of 20 g water to change from 3°C to 5°C, What us the energy content of the 10g cookie?

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]

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

What is the formula of the ionic compound composed of calcium cations and chloride anions