5. Įvykdikite šiuos kitimus: (8t.) Fe-Fe2O3 → Fe(OH)3 — FeCl3-Fe
Parašykite joninę ir sutrumpintą jonines reakcijų lygtis reakcijos, kuomet iš Fe(OH)3
gaunamas FeCl3. Kokie jonai reguoja šioje reakcijoje? (5t.)

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What is the mass of each element in a 324.8 sample of co2

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?