Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
453
Which type of reaction involves reactants with higher energy than the products?
In exothermic reactions, energy is released, resulting in products with lower energy than the reactants. This means the energy of the reactants is greater.
Animal fats are primarily stored in adipose tissues, which are specialized for fat storage. Adipose tissues act as energy reservoirs, releasing fats when needed. This is a key function of adipose tissues, making it the correct answer.
The uphill pumping of water requires energy input, making it a non-spontaneous process. In thermodynamics, a non-spontaneous process is one that does not occur naturally and requires external energy to proceed.
457
The energy of one mole of photons of radiation, whose frequency is 4×10 14 Hz, is ___________?
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
458
The thermal decomposition of calcium carbonate into calcium oxide and carbon dioxide is an example of which type of reaction?
Thermal decomposition is a chemical reaction where a substance breaks down into simpler substances when heated. Since calcium carbonate requires the continuous input of heat energy to decompose into calcium oxide and carbon dioxide, it is classified as a thermal decomposition reaction.
459
Convert a temperature of 113°F to the Kelvin scale.
To convert Fahrenheit to Kelvin, first convert to Celsius using C = (F - 32) * 5/9. Thus, (113 - 32) * 5/9 = 45°C. Then, convert Celsius to Kelvin using K = C + 273.15. Therefore, 45 + 273.15 = 318.15 K, which rounds to 318 K.
460
Which of the following statements accurately describes the process of fusion (melting) of copper?
Fusion, or melting, is the phase transition from a solid to a liquid. This process requires the input of energy to overcome the intermolecular forces holding the solid lattice together. Therefore, fusion is an endothermic process, meaning heat must be absorbed by the system from the surroundings.