Chemistry, 23.12.2019 19:31 preservations
Two 20.0-g ice cubes at -17.0 c are placed into 205 g of water at 25.0c. assuming no energy is transferred to or from the surroundings. calculate the final temperature of the water after all the ice melts. heat capacity of h2o (s) 37.7 j/(mol. k)heat capacity of h2o (l) 75.3 j/(mol. k)enthalpy of fusion of h2o 6.01 kj/mol
Answers: 1
Chemistry, 21.06.2019 17:30
One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 Ă— 1023 atoms 6 Ă— 1023 atoms 66 atoms 65 atoms
Answers: 1
Chemistry, 22.06.2019 12:20
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
Two 20.0-g ice cubes at -17.0 c are placed into 205 g of water at 25.0c. assuming no energy is trans...
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