Balance this equation
___ HCI +
Ca(OH)2 -
CaCl2 +
H20

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

Stage in which a star’s outer layers have started to cool and grow outward?

Light waves can move through , but they travel fastest when they move through a(n) .