Water, pH and Macromolecules What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 7 x 10-7 5 x 10-7 7 1 x 10-7 7 x 10-7 5 x 10-7 7 1 x 10-7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? It is critical for many of the chemical processes found in living systems Nonpolar substances like oils are not soluble in it Polar substances that can form hydrogen bonds will dissolve in it All of these It is critical for many of the chemical processes found in living systems Nonpolar substances like oils are not soluble in it Polar substances that can form hydrogen bonds will dissolve in it All of these ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? All three atoms in the water molecule readily form hydrogen bonds The water molecule is asymmetric The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds The water molecule is asymmetric The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon contain protons and neutrons in their atomic nuclei All of these can all form covalent bonds with other elements are common elements in the molecules that make up living organisms contain protons and neutrons in their atomic nuclei All of these can all form covalent bonds with other elements are common elements in the molecules that make up living organisms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule are not important for the properties of water form covalent bonds in ice carry a partial positive charge carry a partial negative charge are not important for the properties of water form covalent bonds in ice carry a partial positive charge carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and a phosphate oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and a phosphate oxygen and/or nitrogen and are polar ANSWER DOWNLOAD EXAMIANS APP