During a process a system releases 12.4 J of heat and does 4.2 J of work on the surroundings. The change in internal energy (ΔU) of the system is _____ J.
and the answer is not -8.2
During a process a system releases 12.4 J of heat and does 4.2 J of work...
A system releases 110 J of heat and does 345 J of work on the surroundings. What is the change in internal energy (AU) of this system (in J)?
A system does 5.0 × 104 J of work, and 8.7 × 104 J of heat flows into the system during the process. Find the change in the internal energy of the system. ΔU =
A system releases 425 J of heat and performs 425 J of work to its surroundings. What is the change in internal energy of the system in calories? Please show the steps
A system releases 661 kJ of heat and does 100 kJ of work on the surroundings. What is the change in internal energy of the system?
A gaseous system releases 23 J of heat and increases its internal energy by 60 J. Calculate the amount of work associated with this scenario. 83 J of work is done by the system on the surroundings. The system does no work on the surroundings. 37 J of work is done by the system on the surroundings. 83 J of work is done on the system by the surroundings. 37 J of work is done on the system by the...
In process A, 48 J of work are done on the system and 72 J of heat are added to the system. Find the change in the system's internal energy. In process B, the system does 48 J of work and 72 J of heat are added to the system. What is the change in the system's internal energy? In process C, the system's internal energy decreases by 129 J while the system performs 129 J of work on its...
Three different processes act on a system. In process A, 53 J of work are done on the system and 77 J of heat are added to the system. Find the change in the system's internal energy. In process B, the system does 53 J of work and 77 J of heat are added to the system. What is the change in the system's internal energy? In process C, the system's internal energy decreases by 125 J while the system...
1. A system releases 654 kJ of heat and does 140 kJ of work on the surroundings. What is the change in internal energy of the system? 2. How much heat is required to warm 1.30 L of water from 26.0 ∘C to 100.0 ∘C? (Assume a density of 1.0g/mL for the water.) Express your answer using two significant figures..
1.) A system absorbs 1.56E+2 kJ of heat and the surroundings do 1.107E+2 kJ of work on the system. What is the change in internal energy (in kJ) (ΔU) of the system? 2.) A sample of gas in a cylinder is provided with 6.221E+2 kJ of heat. This causes a piston to then compresses the gas by doing 4.343E+2 kJ of work to the gas. What is the change in internal energy of the gas during this compression? 3.)A gas...
In a certain process, a sample of gas does 950 J of work and releases 500 J of heat into the environment. What is the resulting change of the internal energy ∆E of the gas sample in this process? (A) −1450 J (B) +1450 J (C) +450 J (D) −450 J (E) −500 J