What would be the volume of 0.75 moles of a gas at a temperature of 140°C and a pressure of 300 mmHg? *

Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.