8. Study the flow chart in the photo and answer the questions that follows. (i) Identify the cation and anion present in solution R. (1 mark)
(ii) Write ionic equation to show how barium chloride solution reacts with solution R. (1 mark)
(iii) Name the white ppt formed in (ii) above. (1 mark)

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘