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☆☆☆☆☆Cards in this guide (12)
Atoms with certain characteristics are radioactive Which is least likely to be radioactive
all atoms with an atomic number under 40
A heat engine is a device that converts heat energy into mechanical energy
true
Latent heat is the energy required for 1 kg of a substance to change
Latent heat is the energy required for 1 kg of a substance to change ___________. phase
Is Thermodynamics the study of the relationships among heat work and other forms of energy
Yes this is correct.
"Thermodynamics is the study of the relationships among heat, work and other forms of energy."
Entropy is the amount of heat a system releases
False
Is the temperature of a gas a measure of how hard its molecules hit the walls of its container
APEX: false
The first law of thermodynamics which is closely related to the law of conservation of energy states that
energy can be transformed in different ways but can never be created or destroyed.
Which item requires the least energy to increase its temperature lounge chair sand or water Explain your answer in terms of this item's specific heat
Sand needs least energy to increase the temperature as its specific heat is very low compared to that of water. Water needs more energy to increase its temperature as its specific heat capacity is higher.
If you need to find the number of moles of air in a scuba tank filled to a pressure of 22,000 kPa at 295K, and the volume of the tank is 30 L, which equation would you use
PV = nRT
Why would this career require a knowledge and understanding of Economics
no
Which of the following are formulations of the second law of thermodynamics
Mdufbrurir
I’m a nuclear reaction which of the following must be conserved
Charge
The count of nucleons
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