Which one of this is endothermic and which one is exothermic?
ch2+o2 -> co2+h2o+energy
caco+energy -> caco+co2

When the water vapor cools it condenses select a number that represents his process on the

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these