Which of the following apply to an acid? (Check all that apply) Group of answer choices

turns Phenolphthalein pink

pH less than 7.0

turns litmus paper blue

tastes bitter

tastes sour

turns litmus paper red

feels slippery

pH greater than 7.0

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon