True or False: The limiting reagent is one that is completely used in a reaction.
What is True?
100
A substance that ionizes completely in solution. BE SPECIFIC
What is a strong electrolyte?
100
The conditions assumed when the term "STP" is used.
What is 273K and 1 atm?
100
True or False: Intermolecular forces are attractive forces between atoms within a compound.
What is False?
100
The molarity of a solution that contains 45g of hydrobromic acid in 350mL of solution. Use correct units!!
What is 1.6M?
200
The number of carbon atoms in 3g of C.
What is 1.51x10^23?
200
The solubility of NO2(g) __________ as its pressure above a solution _________.
What is increases; increases?
200
Which of the following is not part of the kinetic molecular theory of gas: A) a gas is composed of very small particles B) there is very little empty space in a gas C) gas particles move rapidly D) gas particles move faster when the temperature increases E) all of the above are part of the kinetic molecular theory of gas
What is B?
200
T or F: The strength of the surface tension is inversely related to the strength of the intermolecular forces.
What is False?
200
A solution that has an osmotic pressure greater than that of red blood cells is said to be this.
What is hypertonic?
300
The number of grams of MgO produced when 20g of O2 reacts with 15g of Mg.
What is 25g MgO?
300
What is the volume of a 4.3% (m/v) KOH solution prepared by diluting 50mL of a 13% (m/v) KOH solution? Include units.
What is 151.2 mL?
300
The final pressure of a gas, assuming constant temperature, whose initial pressure is 1.2 atm and whose volume increases from 1.0 L to 4000mL.
What is 0.30 atm?
300
The state of matter that has a low density and indefinite volume.
What is a gas?
300
The process of evaporation is _______ (endo or exothermic).
What is endothermic?
400
The mass (in grams) of water produced when 64g of propanol (C3H8O) is combusted.
What is 76.8g of water?
400
The 4 cations that will always make a compound soluble in water.
What are Li+, Na+, K+, and NH4+?
400
The volume of 4.50 moles of nitrogen gas at STP.
What is 101L?
400
The measure of resistance to flow is called this.
What is viscosity?
400
A patient receives 5g of NaCl every 8 hours. How many liters of a 0.2% (m/v) NaCl (saline) solution would the patient receive in one day?
What is 7.5L?
500
The number of hydrogen atoms present in 106g of sulfuric acid.
What is 1.3x10^24 hydrogen atoms?
500
The volume (in mL) of 0.123 M AgNO3(aq) needed to form 0.657 g of Ag2SO4(s).
2AgNO3(aq) + H2SO4(aq) → Ag2SO4(s) + 2H2O(l)
What is 34.2mL?
500
A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 °C. This is the number of gas particles in that bubble.
What is 1.5x10^22 gas particles?
500
As temperature ______ the vapor pressure of a liquid ______.
What is increases, increases?
500
A liquid's ability to mix with other liquids without separating into phases is called this.