Molten potassium bromide can be electrolysed. Predict the name of the product formed at the: a) anode
d) cathode.

Give the symbols of the ions present in water.

In the electrolysis of copper chloride solution, copper is formed at the cathode and chlorine at the anode.
a) Explain how the copper ions (Cu 2+ ) change into copper atoms (Cu).

b) Explain how the chloride ions (Cl − ) change into chlorine molecules (Cl 2 ).

c) Write a balanced equation, with state symbols, for the overall decomposition of copper chloride.

15 In the electrolysis of sodium chloride solution, hydrogen is produced at the cathode and chlorine at the
anode.
a) Explain why sodium is not produced at the cathode.

b) Give the name of the solution left at the end of the electrolysis.

16 In the electrolysis of sodium sulfate solution, hydrogen is produced at the cathode and oxygen is produced
at the anode.

a) Predict the products formed during the electrolysis of potassium chloride solution.

b) Predict the name of the solution left at the end of the electrolysis of potassium chloride solution.

answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation:

assuming that your periodic table has eighteen columns, you should highlight   the four elements in the third column from the left of the table.

neutral atoms of elements after calcium contain d electrons. the energy of d orbitals of a particular main shell lies between the energy of the s and p orbitals of the next main shell. for example, electrons in the have energy higher than those in the orbital while lower than those of the orbital.

by the aufbau principle, electrons fill orbitals one at a time, starting from those of the lowest energy. the orbital is therefore filled right after orbitals and before orbitals.  

potassium has electron configuration and calcium . the s orbital of a main shell holds a maximum of two electrons. the next element would thus have the electron configuration and satisfy the requirements.

a neutral atom of the element contains three electrons on top of the most recent noble gas element. it should thus be placed in the third column of the periodic table. both scandium and yttrium would satisfy the conditions. an aufbau diagram indicates that the 4f orbital is filled before the 5d. however, it appears that exceptions exists for both lanthanum and actinium. neutral atoms of the two d-block elements also demonstrate the and should be highlighted as well.

i don't know people like to fight everywhere rip.