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Chemistry

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Laurie Hammes

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2y ago
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Cards in this guide (8)
What is the frequency of light having a wavelength of 447 nm

What is the frequency of light having a wavelength of 447 nm?

How do intermolecular forces affect the boiling point of a liquid

The stronger the forces, the more heat that must be added to boil the liquid

What gets heavier in an electrochemical cell

The cathode

What is the molarity of 2 moles of a compound dissolved in 4 L of water

The molarity of a solution is the amount of substance in a given amount of solute. The units are usually given as moles per liter (or dm3). As such, for each liter you have 0.5 moles of substance (2 divided by 4), so it's a 0.5 molar solution.

Which of these statements does not describe electricity

electricity cools down devices as it travels through them

Electricity acts in ways similar to ice, which is a solid.

What is the total pressure of a gas mixture containing partial pressures of 0.23 ATM 0.42 ATM and 0.89 ATM

1.54 atm

How according to le châtelier's principle how will a pressure increase affect a gaseous system

The total number of gas molecules will decrease.

What is the volume of oxygen occupied by 2 moles at 1.3 ATM pressure and 300 K Use PV nRT.

38 L

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