54 Questions
Which type of reaction has two compounds for reactants and two compounds as products?
Double replacement
What type of reaction only has one product?
Synthesis
What number associated with compounds can you NEVER change?
Subscript
In the reaction Zn + 2 HCl → ZnCl2 + H2, is this reaction endothermic or exothermic?
Exothermic
Identify the type of reaction for the following equation: 2H2 + O2 -> 2H2O
Synthesis
What is the molar mass of CO2?
44 g/mol
Which intermolecular force is responsible for the high boiling point of water?
Hydrogen bonding
What is the pH of a solution with a hydrogen ion concentration of 1x10^-9 M?
9
What is the empirical formula of the compound that contains C, H, O, and N?
C3H7NO
What is the percent yield if 32.3 g of lead (II) chloride is produced in the reaction?
88.8%
What is the limiting reagent in the reaction of 15.3 g of NaCl with 60.8 g Pb(NO3)2?
NaCl
What is the maximum amount of product that can be formed under perfect conditions called?
Theoretical yield
Which of the following is a phase change that occurs when a substance goes directly from a solid to a gas?
Sublimation
What is the difference between evaporation and boiling?
Evaporation only occurs on the surface of a liquid, while boiling occurs throughout the liquid
What is the triple point?
The temperature at which all three phases of a substance coexist in equilibrium
What is viscosity?
The resistance of a liquid to flow
According to the Arrhenius definition, what is an acid?
A substance that donates H+ ions in water
According to the Bronsted-Lowry definition, what is a base?
A substance that accepts H+ ions in water
What is a neutralization reaction?
An acid and a base react to form a salt and water
What is the pH of a 0.00432 M HCl solution?
2.36
Which unit of pressure is used in the ideal gas law when the R value is 0.0821?
atm
What effect will doubling the volume at constant temperature have on the pressure of a fixed amount of gas?
The pressure will double
State Dalton’s law of partial pressures in words.
The total pressure of a mixture of gases is equal to the sum of the partial pressures of each gas
What is the volume of a gas when its pressure is 684 mmHg and the temperature is -10.0oC, given that the initial volume of the gas is 12.0 L, the initial pressure is 1.20 atm, and the initial temperature is 150.0oC?
9.47 L
Which of the following is the molarity of the NaOH solution used in the titration?
0.0250 M
What is a buffer composed of?
A weak acid and its conjugate base
What is the balanced chemical equation for the reaction between a seashell and HCl?
CaCO3 + 2HCl -> CaCl2 + H2O + CO2
Which of the following is NOT a type of intermolecular force?
Ionic bonding
What is the formula for molarity?
M = moles of solute / volume of solvent
What is the name of the process by which a solute dissolves in a solvent to form a solution?
Solvation
According to the ideal gas law, what is the unit of pressure when the R value is 0.0821?
atm
What effect will doubling the temperature and halving the volume have on the pressure of a fixed amount of gas?
The pressure will quadruple
What is the strongest intermolecular force for the compound NH3?
Hydrogen bonding
Which of the following is a factor that increases the rate of dissolution?
Agitation
Which of the following is a factor that increases the solubility of a solid in a liquid?
Temperature
What is the solubility of sodium nitrate in 850 mL of water at 80oC?
15.5 g
Which of the following is NOT a gas law?
Dalton's Law
What is the empirical formula of the compound that contains C, H, O, and N?
CxHyOzN
What is the unit of temperature for any of the gas laws?
Kelvin
According to the Arrhenius definition, what is an acid?
A substance that donates H+ ions in water.
What is a neutralization reaction?
A reaction between an acid and a base to form water and a salt.
What is the Bronsted-Lowry definition of an acid?
A substance that donates H+ ions in water.
What is the molecular formula of a compound with a molar mass of 60.06 g/mol and is composed of 40.0% C, 6.7% H, and 53.3% O?
C3H6O3
What is the percent composition of each element in C3H6O3?
%C 40, %H 6.7, %O 53.3
What is the balanced chemical equation for the reaction between a seashell and HCl?
CaCO3 + HCl → CaCl2 + H2O + CO2
Which one of these is NOT a product formed when a seashell is placed in a solution of HCl?
CaCO3
What is the molarity of the NaOH solution used in the titration?
0.0154 M
What is the pH of the acid solution in the titration?
0.0422
What is the volume of the HCl solution used in the reaction?
20.0 mL
What is the balanced chemical equation for the reaction between phosphoric acid and NaOH?
H3PO4 + 3NaOH → Na3PO4 + 3H2O
What is the molarity of the NaOH solution used in the reaction with phosphoric acid?
0.0154 M
What is the molarity of the acid solution in the titration with NaOH?
0.0274 M
What is the volume of the CO2 gas produced in the reaction with HCl?
919 mL
What is the mass of CaCO3 consumed in the reaction with HCl?
5.901 g
This quiz tests your knowledge on saturated, unsaturated, and supersaturated solutions. It also covers the concept of aqueous solutions and the calculation of molality. Test your understanding of solubility and solution concentration with this quiz!
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