Chemistry, 11.06.2020 19:57 maxdmoo1234
Acidul HClO 4 este un acid tare.
a)Scrieti ecuaţia procesului de ionizare în soluţie apoasă
b)Calculaţi concentraţia ionilor hidroniu din soluţie, ştiind că s-au preparat
200 mL soluţie plecând de la 20,1 g acid percloric.
c)Determinaţi pH-ulsoluţiei.
Answers: 3
Chemistry, 22.06.2019 09:30
Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
Answers: 2
Chemistry, 22.06.2019 19:30
Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
Answers: 2
Chemistry, 22.06.2019 22:00
The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.
Answers: 2
Acidul HClO 4 este un acid tare.
a)Scrieti ecuaţia procesului de ionizare în soluţie apoasă
History, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
Biology, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
French, 23.11.2020 17:00
History, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
Computers and Technology, 23.11.2020 17:00
History, 23.11.2020 17:00
Mathematics, 23.11.2020 17:00
Biology, 23.11.2020 17:00