In a calorimetry experiment 60 ml of 0.400m of cuso4 solution is mixed with 40 ml of 0.700m naoh. the initial temperature of both solutions is 21.4 c and the final temperature 25.6 c. calculate the enthalpy change of this reaction in kj/mol.

How many atoms of oxygen are contained in 160 grams of n2o3

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g