chemical A has a pH of 8.2, chemical B has a pH of 12.5, chemical C has a pH of 2.2 and chemical D has a pH pf 6.8. Which chemical is a weak acid? strong base? strong acid? weak base

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Which element would mostly likely have an electron affinity measuring closest to zero

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