Homework Answers
Internal energy is the total energy of all molecules of the system , thus internal energy is the sum of kinetic energy of all components (molecules are the components) .
Option (A) is the correct answer .
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1) The internal energy of a system A) is the sum of the kinetic energy of...
Learning Goal Internal Energy of an ideal gas The internal energy of a system is the...
Learning Goal Internal Energy of an ideal gas The internal energy of a system is the energy stored in the system. In an ideal gas, the internal energy includes the kinetic energies (translational and rotational) of all the molecules, and other energies due to the interactions among the molecules. The internal energy is proportional to the Absolute Temperature T and the number of moles n (or the number of molecules N). n monatomic ideal gases, the interactions among the molecules...
Match the type of energy with the descriptions (Use work, heat or internal energy to describe...
Match the type of energy with the descriptions (Use work, heat or internal energy to describe them.): a. Sum of the kinetic and potential energies of the system's atoms. b. U is the symbol. c. Energy transferred due to temperature difference. d. Increased molecular motion increases this type of energy. e. Energy used in a system to create motion.
Part Al Select the best answer of the following multiple choice questions (32 Points), just circle...
Part Al Select the best answer of the following multiple choice questions (32 Points), just circle your choices Question 1. A meter stick is pivoted at the 0.50-m line. A 6.0 kg object is hung from the 0.15-m line. Where should a 10.0 kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)? A) 0.06-m line B) 0.24-m line C) 0.46-m line D) 0.71-m line E) A 5.0 kg object cannot be placed anywhere on the...
Specific enthalpy is defined as a. The sum of internal energy, kinetic energy, potential energy, chemical...
Specific enthalpy is defined as a. The sum of internal energy, kinetic energy, potential energy, chemical and nuclear energy b. Internal energy minus the product of pressure and volume c. The product of internal energy, pressure and specific volume d. Specific internal energy plus the product of pressure and specific volume
45. What is the matemathical relationship between potential energy (PE) and kinetic energy (KE)? a. They...
45. What is the matemathical relationship between potential energy (PE) and kinetic energy (KE)? a. They are directly proportional b. They are inversely proportional c. Their sum is equal to the total internal energy of the system (E) d. Both B and C are correct e. None of the above 46. What is a consequence of the 1 Law of Thermodynamics? a. The energy of a system can never change b. The energy of the surroundings can never change c....
The sum of the kinetic and potential energies of a system of objects is conserved: only...
The sum of the kinetic and potential energies of a system of objects is conserved: only when no external force acts on the objects only when the objects move along closed paths O only when the work done by the resultant external force is zero O always none of the above
Please expalins about all options answer is B C A 11.4.1. Cylinders A and B are...
Please expalins about all options
answer is B C A
11.4.1. Cylinders A and B are identical. Cylinder A is allowed to roll down a ramp without slipping. Cylinder B is allowed to slide down a similar ramp that has the same incline angle, but it is frictionless the following statements concerning this situation, assuming the cylinders begin from rest at the same height, is true? . Which one of a) The sum of the translational and rotational kinetic energies...
Internal Energy of a gas, ldeal Gas Law 1. The average kinetic energy of a molecule,...
Internal Energy of a gas, ldeal Gas Law 1. The average kinetic energy of a molecule, is called thermal energy, it is directly related to absolute temperature. 1 3 KE (average per molecule) mv(average) =kT (kg =1.38x10-23 J/K) 3KBT 2. The average speed of molecules in a gas: vrms+ т where vrms stands for root-mean-square (rms) speed. 3. The INTERNAL ENERGY of a gas is the TOTAL ENERGY of ALL the N atoms and molecules For a MONATOMIC gas, each...
Physics I Pre-Lab Assignment: Rotational Kinetic Energy On a blank piece of paper (lined or computer,...
Physics I Pre-Lab Assignment: Rotational Kinetic Energy On a blank piece of paper (lined or computer, nothing torn out of a notebook), please answer the questions below. The assignment is due before lab starts. 1. When an object rolls down an incline, its kinetic energy is composed of both rotational and translational terms. Write out the equation for total kinetic energy with rotational and translational components. Label the terms to identity which is rotational and which is translational. 2. A...
1. Heat is best defined as a. massless substance emitted when something burns. b. a form...
1. Heat is best defined as a. massless substance emitted when something burns. b. a form of potential energy. c. a form of work. d. the total energy that a substance has. e. energy transferred as the result of a temperature difference. 2. The energy stored in chemical bonds is a form of a. kinetic energy. d. heat. b. thermal energy. e. mechanical energy. c. potential energy. 3. Energy that an object has by virtue of its motion is called...
Learning Goal Internal Energy of an ideal gas The internal energy of a system is the energy stored in the system. In an ideal gas, the internal energy includes the kinetic energies (translational and rotational) of all the molecules, and other energies due to the interactions among the molecules. The internal energy is proportional to the Absolute Temperature T and the number of moles n (or the number of molecules N). n monatomic ideal gases, the interactions among the molecules...
Part Al Select the best answer of the following multiple choice questions (32 Points), just circle your choices Question 1. A meter stick is pivoted at the 0.50-m line. A 6.0 kg object is hung from the 0.15-m line. Where should a 10.0 kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)? A) 0.06-m line B) 0.24-m line C) 0.46-m line D) 0.71-m line E) A 5.0 kg object cannot be placed anywhere on the...
45. What is the matemathical relationship between potential energy (PE) and kinetic energy (KE)? a. They are directly proportional b. They are inversely proportional c. Their sum is equal to the total internal energy of the system (E) d. Both B and C are correct e. None of the above 46. What is a consequence of the 1 Law of Thermodynamics? a. The energy of a system can never change b. The energy of the surroundings can never change c....
The sum of the kinetic and potential energies of a system of objects is conserved: only when no external force acts on the objects only when the objects move along closed paths O only when the work done by the resultant external force is zero O always none of the above
Please expalins about all options
answer is B C A
11.4.1. Cylinders A and B are identical. Cylinder A is allowed to roll down a ramp without slipping. Cylinder B is allowed to slide down a similar ramp that has the same incline angle, but it is frictionless the following statements concerning this situation, assuming the cylinders begin from rest at the same height, is true? . Which one of a) The sum of the translational and rotational kinetic energies...
Internal Energy of a gas, ldeal Gas Law 1. The average kinetic energy of a molecule, is called thermal energy, it is directly related to absolute temperature. 1 3 KE (average per molecule) mv(average) =kT (kg =1.38x10-23 J/K) 3KBT 2. The average speed of molecules in a gas: vrms+ т where vrms stands for root-mean-square (rms) speed. 3. The INTERNAL ENERGY of a gas is the TOTAL ENERGY of ALL the N atoms and molecules For a MONATOMIC gas, each...
Physics I Pre-Lab Assignment: Rotational Kinetic Energy On a blank piece of paper (lined or computer, nothing torn out of a notebook), please answer the questions below. The assignment is due before lab starts. 1. When an object rolls down an incline, its kinetic energy is composed of both rotational and translational terms. Write out the equation for total kinetic energy with rotational and translational components. Label the terms to identity which is rotational and which is translational. 2. A...
1. Heat is best defined as a. massless substance emitted when something burns. b. a form of potential energy. c. a form of work. d. the total energy that a substance has. e. energy transferred as the result of a temperature difference. 2. The energy stored in chemical bonds is a form of a. kinetic energy. d. heat. b. thermal energy. e. mechanical energy. c. potential energy. 3. Energy that an object has by virtue of its motion is called...
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