Chemistry, 05.05.2020 10:46 sarahpaigeallen
98% HCl solution is having density 1.46g/ml what volume of this acid is required to make 2L of 0.25M solution
Answers: 3
Chemistry, 22.06.2019 00:00
Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt
Answers: 3
Chemistry, 22.06.2019 14:00
Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
Answers: 1
Chemistry, 22.06.2019 17:30
Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".
Answers: 2
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
98% HCl solution is having density 1.46g/ml what volume of this acid is required to make 2L of 0.25M...
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