Wawa!
Bond...Chemical Bond
Graph
Maths
007
100
Water is known as the _____ ______ because it can dissolve so many substances.
Universal Solvent
100
Which bond has an EN difference of 0?
Non-Polar Covalent.
100
A solution that contains 62 grams of KNO3 at 40 C is described as:
Saturated.
100
A solution has 45 g of sugar dissolved in 150 grams of water. What is the % solution?
23.08%
100
What kind of bond is the following and why?
Cl-Cl
Non-polar, the same non metal.
200
Water is most dense in what state of matter?
Liquid
200
Which bond evaporates the most easily at room temperatures?
Nonpolar Covalent
200
A solution that contains 40 grams of NaCl at 20 C is described as:
Supersaturated.
200
If 3.4 moles of KBr dissolved in 400 mL of solution, what is the molarity?
8.5 M
200
What kind of bond is Na-Cl and why?
Ionic, metal and non metal
300
The solubility of solids in water _____ as temperature increases.
Increases.
300
Which bond has extremely high MP/BP?
Ionic.
300
At what temperature can you dissolve 45 g of KCl in 100 g water to make a saturated solution?
65 C
300
What is the molarity of a solution that contains 44 g of NaCl in 550 mL of solution?
1.37 M
300
What kind of bond is the following and why?
Ag-Ag
Metallic, two metals.
400
Water's unique properties are caused by the strong ____ _____ between the molecules.
Hydrogen Bonds
400
Rate the following bonds by decreasing interparticle forces:
Nonpolar, Polar, Ionic, Metallic
Ionic, Metallic, Polar, Nonpolar
400
How many grams of NaNO3 would you need to make a saturated solution in 333 g water at 10 C?
260-270 g NaNO3
400
If you dissolved 70 grams of NH4Cl in 90 C of 333 mL of water, what is the % solution?
17.37%
400
Determine the types of bonds and the type of molecule of the following:
Polar Bonds, Non-Polar Molecule
500
Water is a _____ molecule. It has a partial _____ charge on the hydrogen and a partial ___ charge on the oxygen.
Polar, +, -.
500
What do we call substances that conduct electricity in water?
Electrolyte
500
How many grams of water are needed to make a saturated solution with 26.4 g NH4Cl at 70 C?
45.5 g H2O
500
How many grams of H2SO4 are needed to make 250 mL of a 0.5 molar solution?
12.26 g H2SO4
500
Determine the types of bonds and the type of molecule of the following:
Polar bonds, Polar Molecule