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What is the molarity of 2.0 liters of an aqueous solution that contains 0.50 mole of potassium iodide, KI?
0.25 M
2-7-7
500. K and 2.0 atm
1 and 3
A and Z
ammonium thiocyanate
4Fe + 3O2 → 2Fe2O3
H2O
At which temperature and pressure will a sample of neon gas behave most like an ideal gas?
0.25 M
2-7-7
500. K and 2.0 atm
1 and 3
A and Z
ammonium thiocyanate
4Fe + 3O2 → 2Fe2O3
H2O
Which two samples contain the same number of molecules?
0.25 M
2-7-7
500. K and 2.0 atm
1 and 3
A and Z
ammonium thiocyanate
4Fe + 3O2 → 2Fe2O3
H2O
Which electron confi guration represents the electrons in an atom of sulfur in an excited state?
0.25 M
2-7-7
500. K and 2.0 atm
1 and 3
A and Z
ammonium thiocyanate
4Fe + 3O2 → 2Fe2O3
H2O
What is the chemical name of the compound NH 4SCN?
0.25 M
2-7-7
500. K and 2.0 atm
1 and 3
A and Z
ammonium thiocyanate
4Fe + 3O2 → 2Fe2O3
H2O
Which compound has covalent bonds?
0.25 M
2-7-7
500. K and 2.0 atm
1 and 3
A and Z
ammonium thiocyanate
4Fe + 3O2 → 2Fe2O3
H2O
Which equation represents a conservation of atoms?
0.25 M
2-7-7
500. K and 2.0 atm
1 and 3
A and Z
ammonium thiocyanate
4Fe + 3O2 → 2Fe2O3
H2O
Which elements are present in this mixture?
0.25 M
2-7-7
500. K and 2.0 atm
1 and 3
A and Z
ammonium thiocyanate
4Fe + 3O2 → 2Fe2O3
H2O
Check it!