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 Which of the following statements about water is correct? Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems All of these Polar substances that can form hydrogen bonds will dissolve in it Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems All of these Polar substances that can form hydrogen bonds will dissolve in it ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions will always have a pH of 7 tend to maintain a relatively constant pH. are rarely found in living systems cause a decrease in pH when acids are added to them. will always have a pH of 7 tend to maintain a relatively constant pH. are rarely found in living systems cause a decrease in pH when acids are added to them. ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 107 M 10-7 M 1014 M 10-14 M 107 M 10-7 M 1014 M 10-14 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial positive charge carry a partial negative charge form covalent bonds in ice are not important for the properties of water carry a partial positive charge carry a partial negative charge form covalent bonds in ice are not important for the properties of water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more hydrogen bonds carbon atoms hydrogen atoms covalent bonds hydrogen bonds carbon atoms hydrogen atoms covalent bonds ANSWER DOWNLOAD EXAMIANS APP