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Chemistry
Mookie
If the molar mass of NaCl is 58.44 g/mol, what amount of NaCl (in mol) is contained in 250.0 mg of NaCl?
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Chemistry
Stafford
How many hydrogen atoms are contained in 167 grams of propane?
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Chemistry
Pierce Pham
How many grams of CO2 are in 6 mol of the compound (this is a science question) ? and the units?
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Chemistry
Guest
Which element in the 8th column of the periodic table (shown below) has the largest radius?
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Chemistry
Guest
O what volume must 175 L of air at 1.0 atm be compressed to yield a pressure of 5.2 atm? (You can assume constant temperature.)
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Chemistry
Jeffrey
What reactions is : energy released as light or thermal energy (synthesis, combustion, replacement, decomposition)
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Chemistry
Emma Bray
The components of a true solution blend to form new properties.
a. True
b. False
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Chemistry
Rachael Norton
Decrire l ebullition de l eau
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Chemistry
Cailyn Green
Explain this difference in reactivity between an ammonium ion and an iminium ion.
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Chemistry
Quentin
What is one difference between a mixture and a compound? 1. a compound consists of more than one phase. 2. a mixture can only be separated into its components by chemical means. 3. a compound can only be separated into its components by chemical means. 4. a mixture must be uniform in composition?
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Chemistry
Pockets
The chemical properties of a substance can only be observed when it is changed into a different substance T F
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Chemistry
Beau Carson
How do you figure out the molar mass of an element
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Chemistry
Ralphie
Are there any plans for controlling or removing zebra mussel
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Chemistry
Trevon Mora
What is the final pressure of a system (atm) that has the volume increased from 0.75 l to 1.1 l with an initial pressure of 1.25 atm? 1.1 0.85 1.8 1.2 none of the above?
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Chemistry
Harley Parsons
What is list of solutions
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