Endothermic and exothermic chemical reactions can be illustrated with simple graphs, like the one shown below, which represents the following chemical equation: CH4 + 202 --> CO2 + 2H2O Use the graph provided to complete the questions that follow. c+ 20 ENERGY co + 2,0 TINE redict what would happen to the graph if an enzyme was added to this chemical action. (1)

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

it is the most commonly accepted one

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l