Which of the following processes shows an endothermic process? condensation of water false solidification of lava false frying an egg inside a pan true the freezing of juice false false 0 Single 0 The Law of Conservation of Energy implies that: the total energy of the universe is zero false the total energy of the universe is negligible false the total energy of the universe is constant true the total energy of the universe is infinite false false 0 Single 0 Which of the following is an implication of the equation ΔEsystem = -ΔEsurroundings? The energy of a system is equal to the negative energy of its surroundings. false The energy of a system is inversely proportional to the energy of its surroundings. false The energy loss of a system is equal to the energy gain of its surroundings. true The energy loss of a system is inversely proportional to the energy gain of its surroundings. false false 0 Single 0 What two variables are used to quantify the kinetic energy of an object? size and position false mass and position false size and speed false speed and mass true false 0 Single 0 If a variable depends only on the initial and final conditions of a system, it is: a measure of internal energy false considered a state function true a non-conservative quantity false feasible as a universal constant false false 0 Single 0 Which of the following expressions indicate an exothermic process? Q < 0 true W > 0 false ΔE < 0 false E_products = E_reactants false false 0 Single 0 When a balloon's volume is expanding, the gas inside is said to be: experiencing work false doing work true doing and experiencing work false keeping its work constant false false 0 Single 0 When the gas molecules inside a vessel are heated up, they move faster because: the additional heat transforms to kinetic energy true their potential energy increased as well false they are in constant collision with each other false they constantly release energy to the surroundings false false 0 Single 0 Suppose you have a cup of juice containing ice cubes. A consequence of heat transferring from the juice to the ice cubes is that: the juice releases energy to the ice false the ice cube melts false the juice cools down true the heat flow between the juice and ice stabilizes false false 0 Single 0 The Earth is a closed but not an isolated system because: it exchanges only matter with its surroundings false it exchanges matter and heat with its surroundings false it exchanges heat but not matter with its surroundings true its heat and matter is constant false false 0 Single 0