Naoh should be added to 45.0 ml of hcl to completely neutralize the acid

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

The fact that the total amount of energy in a system remains constant is a(n)

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.