The category the ion po43- belong to.

a.) monatomic cation
b.) monatomic anion
c.) polyatomic anion
d.) polyatomic cation
e.) monatomic ion

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

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?