Chemistry, 17.09.2021 16:00 evalisezamot
During an experiment the students prepared three mixtures:
A)Starch in water B) Sodium chloride solution C) Tincture of Iodine.
i) Students observed a visible beam of light through mixture A. Why?
ii) Tincture of Iodine did not show Tyndall effect. Explain reason.
iii) How can you relate particle size to the Tyndall effect?
Answers: 1
Chemistry, 22.06.2019 03:40
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
Chemistry, 22.06.2019 15:00
Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude
Answers: 2
Chemistry, 22.06.2019 15:10
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
Answers: 1
During an experiment the students prepared three mixtures:
A)Starch in water B) Sodium chloride so...
Mathematics, 06.05.2020 02:22
Mathematics, 06.05.2020 02:22
English, 06.05.2020 02:22
Mathematics, 06.05.2020 02:22
Mathematics, 06.05.2020 02:22