Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule form covalent bonds in ice carry a partial positive charge are not important for the properties of water carry a partial negative charge form covalent bonds in ice carry a partial positive charge are not important for the properties of water carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by molar concentration of the buffer components temperature of buffer components both (a) and (b) concentration of the conjugate base to the weak acid molar concentration of the buffer components temperature of buffer components both (a) and (b) concentration of the conjugate base to the weak acid 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 A Bronsted acid becomes __________ upon losing a proton. its conjugate base its conjugate acid highly reactive a hydronium ion its conjugate base its conjugate acid highly reactive a hydronium ion ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? argon methane gasoline (heptanes & octanes) sodium chloride argon methane gasoline (heptanes & octanes) sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following alcohols would be most soluble in water? methanol octanol ethanol butanol methanol octanol ethanol butanol ANSWER DOWNLOAD EXAMIANS APP