How many atoms of each element are in the chemical formula p2o5?

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

Tell me the iupac names of the following alcohols:

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