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