a student determined that 2.5 grams of methane produced 139kj of heat in a bomb calorimeter. What is the E for the combustion of methane in kj/mole?

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

Name the intersection of plane bpq and plane cpq.

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?