A) Positive B) Variable C) Negative D) Zero
A) Heat B) Electrical energy C) Light only D) Sound energy
A) Standard Gibbs energy change ΔG⚬ B) Entropy increase C) Standard enthalpy change ΔH⚬ D) Activation energy
A) Aerobic respiration B) Combustion reaction C) Endothermic reaction D) Exergonic reaction
A) Enthalpy change ΔH⚬ B) Pressure C) Bond energy D) Temperature
A) Oxidation of iron B) Combustion of methane C) Formation of ATP D) Endothermic reduction
A) Bond formation B) Pressure increase C) Enthalpy decrease D) Entropy increase
A) Melting of ice B) Photosynthesis C) Evaporation of water D) Thermite reaction
A) They produce toxic gases B) The released energy is difficult to capture C) They consume too much fuel D) They occur too slowly
A) Aerobic respiration B) Digestion C) Photosynthesis D) Fermentation
A) Barometer B) Spectrometer C) Calorimeter D) Voltmeter
A) Pressure B) Density C) Volume D) Temperature
A) 25 °C B) 100 °C C) 37 °C D) 0 °C
A) Bond energies B) Reaction volume C) Atmospheric pressure D) Reaction speed
A) Hproducts / Hreactants B) Hproducts − Hreactants C) Hproducts + Hreactants D) Hreactants − Hproducts |