MAE-2102 Dynamics Practice Exam #1 - Kinematics & Kinetics of Particles
1. A boy at A throws a ball 45o from the horizontal such that it strikes the slope at B. Determine the speed at which the ball is thrown and the time of flight.
The inclined plane
Dynamics: Practice #2 Kinematics & Kinetics of Rigid Bodies
1. Determine the acceleration of the cylinder. The tension in the rope is 12 N. The cylinder has a mass of 4 kg, and a radius of 0.02 m. Assume the cylinder does not slip as it rolls.
At the i
Clicker Question 13-1
Which intermolecular forces are present in CH3F(l)? 1. London dispersion 2. dipole-dipole 3. hydrogen bonding a. b. c. d. e. 1 only 2 only 3 only 1 and 2 1, 2, and 3
Clicker Question 13-2
Which of the following molecular solids will
Clicker Question 12-1
If the pressure of a confined gas is tripled while its temperature remains constant, what change will be observed? a. The volume of the gas will triple. b. The volume of the gas will decrease to 1/3 its original value. c. The density
Clicker Question 10-1
What is the hybridization of the nitrogen atom in NF3? a. b. c. d. e. sp sp2 sp3 sp3d sp3d2
Clicker Question 10-2
What is the hybridization of the bromine atom in BrF5? a. b. c. d. e. sp sp2 sp3 sp3d sp3d2
Clicker Question 10-3
Clicker Question 9-1
For a main group element, the number of valence electrons is a. b. c. d. e. equal to the group number. equal to eight minus the group number. equal to the period number. the number of core electrons. the principle quantum number.
Clicker Question 8-1
A substance that contains unpaired electrons is weakly attracted to a magnetic field. This substance is said to be _. a. b. c. d. e. ionic ferromagnetic paramagnetic polar diamagnetic
Clicker Question 8-2
The Pauli exclusion principle
Clicker Question 6-1
If the same amount of heat is added to 50.0 g samples of each of the metals below, which metal will experience the largest temperature change? a. b. c. d. e. Metal Specific Heat (J/gK) Al 0.902 Cu 0.385 Fe 0.451 Au 0.128 K 0.753
Clicker Question 5-1
Which of the following compounds are likely to be insoluble in water: Na2CO3, AgNO3, ZnS, KOH, Cu(OH)2, and NH4Cl? a. b. c. d. e. ZnS and AgNO3 ZnS, KOH, and Cu(OH)2 AgNO3, Cu(OH)2, and NH4Cl Na2CO3, ZnS, and KOH ZnS and Cu(OH)2
Clicker Question 4-1
What are the respective coefficients when the following equation is balanced with the smallest whole numbers? _ C2H5OH(l) + _ O2(g) _ CO2(g) + _ H2O(g) a. b. c. d. e. 2, 7, 4, 6 1, 3, 2, 3 2, 2, 1, 4 1, 2, 3, 2 2, 6, 4, 6
Clicker Question 3-1
The formula for ethylene glycol, HOCH2CH2OH, is an example of a(n) a. b. c. d. e. empirical formula. structural formula. condensed formula. molecular formula. formula unit.
Clicker Question 3-2
Which compound in the following list is
Clicker Question 2-1
Which of the following postulates of Dalton's atomic theory are now known to be incorrect? 1. Matter is made up of atoms. 2. Atoms are indivisible and indestructible. 3. All atoms of a given element are identical. a. b. c. d. e. 1 2 3
Clicker Question 1-1
All of the following statements are true except a. Laws are statements of relationships that seem to always be the same. b. Theories are proven explanations of experimental observations. c. Hypotheses are tentative explanations of exp
Chapter 12: Gases and Their Properties
I.Pressure, Volume, and Temperature Relationships A.Pressure, volume, and temperature units B.Boyle's law C.Charles' law D.Gay-Lussac's law E.Avogadro's law II.The Ideal-Gas Equation A.The combined gas laws B.STP a
. i) Exam2
Define a relation, Ron Z by aRb if 51 a-b. Prove R is an equivalence relation.
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