Water, pH and Macromolecules What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 1 x 10-7 5 x 10-7 7 x 10-7 7 1 x 10-7 5 x 10-7 7 x 10-7 7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules H2O and CH4 are both examples of acids none of these molecules ions acids none of these molecules ions ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? gasoline (heptanes & octanes) methane argon sodium chloride gasoline (heptanes & octanes) methane argon sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reactions of molecules are the reactions of the functional groups All of these are independent of the functional groups require an enzyme in all cases are the reactions of the functional groups All of these are independent of the functional groups require an enzyme in all cases ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule 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 carry a partial positive charge carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 10 times more acidic 2 times more basic 10 times more basic 100 times more acidic 10 times more acidic 2 times more basic 10 times more basic 100 times more acidic ANSWER DOWNLOAD EXAMIANS APP