This is a reaction.

ch3oh + o2 → co2 + 2h2o + heat

combustion

endothermic

substitution

spontaneous

the product of the pressure and volume is also constant

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.