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☆☆☆☆☆Cards in this guide (15)
How many protons does an atom of carbon have
6
While a balloon is being filled if the temperature of the air in the balloon decreases what happens to its volume
volume decreases considering the pressure is constant
You can smell a burning scented candle across a room because
the gas molecules move about the room
According to Boyle's Law if the volume and temperature of a gas in a closed container remain constantwhat happens to the gas's pressure
It remains constant.
A heat engine is a device that converts mechanical energy into heat energy
False
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."
Is the temperature of a gas a measure of how hard its molecules hit the walls of its container
APEX: false
What is the change in the internal energy of a system that does 5000 joules of work and absorbs 20000 joules of heat
15,000
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
178 Au 79 is a of gold
Assuming there is a blank between "a" and "of," 178Au is an unstable isotope of gold. The 79 is its atomic number (number of protons), and 178 is the atomic mass (number of protons + numbers of neutrons).
Why would this career require a knowledge and understanding of Economics
no
The atomic number is the number of an atom
The atomic number is the number of _____ an atom
Is the molar mass of gas dependant on the type of gas
Yes as is the molar mass of anything else.
Which of the following are formulations of the second law of thermodynamics
Mdufbrurir
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