The system (molecule) is most stable when the potential energy reach a maximum value a minimum value a positive value zero

Q: In a laboratory experiment, 30. J of heat was added to a gas piston assembly as the piston did 75 J…

A: Given, Heat = 30J. Work done = 75J. As work is done by the system on surroundings, the work done…

Q: he energy density of a fuel is 64.36 kJ/g. A 63.61-g sample is burned in an apparatus with a…

A: Energy density= 64.36 kJ/g  Mass = 63.61 g  Energy(q) ) = 64.36 × 63.61    = 4093.9396 kJ  Energy…

Q: Does the law of conservation of energy relate to energy exchanges between a thermodynamic system and…

A: For an isolated system, its total energy remains constant. The energy of system will change if it…

Q: Calculate the heat capacity of your calorimeter. Note that the temperature change of the…

A: Given:Temperature change is same as in cool water.

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 391kJ during a…

A: According to the question,The enthalpy of a mixture of gaseous reactants is increased by ΔH = 391…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: When lead is dropped into the water, the temperature of lead is decreased (exothermic) whereas the…

Q: If the AH value is less than zero than reaction will be Exothermic .A Endothermic .B May or may not…

A: Endothermic reaction: The reaction is called endothermic reaction when it the absorbs the energy in…

Q: GIVE AN EXAMPLE OF THESE three types of systems: ~open system- a system that can exchange mass and…

A: Open system- a system that can exchange mass andthe energy with its surroundings Example: A cup of…

Q: What is the theory of the first law of thermodynamics?

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Biological process that involves the concept of thermodynamics

A: The human body obeys the laws of thermodynamics. Consider the experience of being in a small crowded…

Q: Exothermic Endothermic Heat Hotter than suroundings Heat Heat /Cooler than surroundings Heat Heat…

A: We know that,  Entropy measure randomness. If more randomness then more entropy.

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: Given,  The mass of nickel = 100.00 g. Initial temperature of Ni = 98.10 °C The mass of water =…

Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial…

A: 100ml of H2O is used Initial Temperature = 23oC ∆H = -82.8kJ/mol = 82800J Specific heat = 4.184J/goC…

Q: Which of the following signs on q and w represent a system that is doing work on the surroundings,…

A: Sign of w:  Work done by the system= - (negative)  Work done on the system = + (positive)  Heat…

Q: 8. Ethanol is a toxic substance that, when consumed in excess, can impair respiratory and cardiac…

A: An alcoholic beverage is one that includes ethanol, a form of alcohol created by the fermentation of…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: