The dissociation constant of the weak acid HF is Ka = . If at equilibrium the concentrations of H+ and F– are each 2.6 10–3 M and the concentration of HF is 0.010 M, what is Ka for HF?

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?