Chemistry, 17.03.2021 23:50 itzdulceee
A student wanted to prepare 1 liter of 0.01M, PH=3, Buffer from a
weak acid (HA). To do so he had 1M HA Pka=2.3 and 1M of NaOH
solution. Unfortunately, the water he had used were found to be
contaminated and became to be a 0.5mM HCl solution (without his
knowledge). What will be the PH of the Buffer in these terms?
Answers: 3
Chemistry, 22.06.2019 00:40
Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic
Answers: 3
Chemistry, 22.06.2019 09:00
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
Chemistry, 22.06.2019 14:50
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
A student wanted to prepare 1 liter of 0.01M, PH=3, Buffer from a
weak acid (HA). To do so he had 1...
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