Cho các chất sau : Nacl , Agno3 , k2o , fe , ba (oh)2 , h2so4 , so2 , cu , caco3 , HCl những chất nào tác dụng được với nhau từng cặp 1 viết pthh

How do you lengthen a pattern piece? (family and consumer science, sewing)

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∘

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.