Chemistry, 18.06.2020 15:57 itzyoboyCj
Cuantos ml de HClO4 se requieren para preparan 2L de una solucion 0.25M de HClO4 a partir de reactivo concentrado que tiene una densidad de 1.07g/ml y una pureza en peso del 71%?
Answers: 3
Chemistry, 22.06.2019 03:30, tbeck225
If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.
Answers: 1
Chemistry, 22.06.2019 05:30, jameskarbar9p8c9d2
Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat
Answers: 1
Chemistry, 22.06.2019 10:00, ellaemtagedeane
Nonpoint source pollution is difficult to control because it
Answers: 2
Cuantos ml de HClO4 se requieren para preparan 2L de una solucion 0.25M de HClO4 a partir de reactiv...
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