When a piece of iron of mass is 78 gram is put in a graduated cylinder containing 100cm³ of water, the reading of the cylinder become 110³ cm calcute the denisty of the piece of iron​

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