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