Formula of precipitate HNO3(aq) + Ba(OH)2(aq) --
(s)
ZnCl2(aq) + KOH(aq) -
(s)
CuSO4(aq) + H2S(ag) -
(s)
H3PO4(aq) + Ca(OH)2(aq) +
(s)
Na2CO3(aq) + NH4Cl(aq) --
s)
Better look in picture

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

How hot is the suns corona? (integrated science)

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest