What does heat flow between objects stop?
when both objects have low temperature
when both objects have high temperature
heat flow does not stop
when both objects have the same temperature

Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

What three natural resources are found in the great lakes region

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