453 Answered Questions for the topic chem

Chem

10/01/15

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 Kelvin and 1.21 atmospheres?
If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 Kelvin and 1.21 atmospheres? Show all of the work used to solve this problem. 2 Li (s) + 2... more
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09/22/15

Ionic Size
I really don't understand what this is asking... please help.   1.) As you move left to right across the period, there are two elements that instead show a decrease in ionization energy. Identify... more
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05/14/15

Conductivity help?
I'm doing an assignment for chemistry class and on one of the questions its asking me for the conductivity of solid, and conductivity of water solution for the following substances: Sodium... more
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