Need to finish TODAY ASAP! HIgh point questions

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Explain what happens at the saturation point when adding salt to water at room temperature.

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.