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