Kinetics and Equilibrium
A reaction is most likely to occur when reactant particles collide with the proper ... (2 things)
What is energy and orientation
Which metals are less active than H2?
What are Cu, Ag, and Au
According to the Arrhenius theory, a substance that is classified as an acid will always yield ...
A student observed that when sodium hydroxide was dissolved in water, the temperature of the water increased. The student should conclude that the dissolving of sodium hydroxide is ... (endothermic or exothermic)
What is exothermic
Describe the flow of electrons and ions in a voltaic cell.
What is electrons flow through the wire from the anode to the cathode, then negative ions flow through the salt bridge to complete the circuit
An acid can be defined as a proton...
What is donor
Which equation represents artificial transmutation?
A) H2O → H+ + OH–
B) UF6 + 6 Na → 6 NaF + U
C) 238 92U → 234 90Th + 4 2He
D) 27 13Al + 4 2He → 3015P + 1 0n
What is (D)
Compare the rates of the forward and reverse reactions of a system at equilibrium.
What is the rates are equal
Ethanol and dimethyl ether have different chemical and physical properties because they have different...
What is functional groups
Describe the energy change in an operating electrolytic cell
What is from electrical to chemical energy
Which volume of 0.10 M NaOH(aq) exactly neutralizes 15.0 milliliters of 0.20 M HNO3(aq)?
What is 30. mL
In a chemical reaction, the difference between the potential energy of the products and the potential energy of the reactants is equal to the
What is heat of reaction
The formula C5H11OH represents an...
What is an alcohol
As the pH of a solution is changed from 3 to 6, the concentration of hydronium ions
What is decreases by a factor of 1000
Which reaction is accompanied by the release of the greatest amount of energy?
(1) combustion of 10. g of propane
(2) electrolysis of 10. g of water
(3) nuclear fission of 10. g of uranium
(4) oxidation of 10. g of iron
What is (3)
2SO2(g) + O2(g) ↔ 2SO3(g) + 392 kJ
State, in terms of the concentration of SO3(g), what occurs when more O2(g) is added to the reaction at equilibrium.
What is the concentration of SO3(g) increases
Draw the structural formula for propanal.
What is correct answer
Given the balanced ionic equation representing the reaction in an operating voltaic cell:
Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
The flow of electrons through the external circuit in this cell is from the ... (identify anode and cathode)
What is Zn anode to the Cu cathode
Describe then number of ions in solution and conductivity of the solution as more NaCl(s) is dissolved in a dilute, unsaturated NaCl(aq) solution.
What is number of ions increases and conductivity increases
Write the nuclear equation for the decay of radium-226
What is 22688Ra → 22286Rn + 42He