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Chemistry

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Jonathon Willms

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Cards in this guide (10)
How many protons does an atom of carbon have

6

Under which conditions does a real gas behave most like an ideal gas

At high temperatures and low pressures.

How is the ideal gas law usually written

the ideal gas law is usually written in this way:

PV=nRT

Hope this works out for you!

How do the rates of diffusion of neon and argon compare Molar masses Neon is 20 gmol and argon is 40 gmol

neon diffuses 1.4 times as fast as argon.

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 the temperature of a gas a measure of how hard its molecules hit the walls of its container

APEX: false

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).

A bag filled with gas is more effective at preventing injuries in a car accident than a bag filled with water because

gas particles are compressible

Is the volume of a gas directly or inversely proportional to the number of particles in a gas

Directly proportional, at pressure and temperature constant.

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