PROBLEM SOLVING. Solve the following problems. Show your complete solution. Box ur final answer. Use the extra sheet of paper for this part of examination. A gas is in a closed container and is heated with 10 J of energy causing the lid to rise 2 m with N force. What is the total change in the energy of the system? Use first law of rmodynamics to answer this.
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To solve this problem, we can use the first law of thermodynamics, which states that the change in the internal energy of a system (ΔU) is equal to the heat added to the system (Q) minus the work done by the system (W). Mathematically, it can be expressed as: ΔU = Q - W In this scenario, the gas receives 10 J of energy (Q = 10 J), and the work done by the gas when the lid rises can be calculated by the formula: W = F × d where F is the force applied, and d is the distance (2 m). To find the total work done, we need to know the force (N). If we assume a force of 5 N as an example: W = 5 N × 2 m = 10 J Now we can substitute the values into the first law equation: ΔU = Q - W = 10 J - 10 J = 0 J Thus, the total change in the energy of the system is: \(\boxed{0 \, \text{J}}\)