Instructions:

• Answer 50 questions in 15 minutes.
• If you are not ready to take this test, you can study here.
• Match each statement with the correct term.
• Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. If something is very toxic to a human - what Ksp value should it have for it to be the safest?
The lowest one
Density (gravitational constant) height
The nucleus gains a proton and no neutrons
The cross-sectional area through which the fluid flows


2. Heat from friction comes from what?
Add them together
It is a rxn where you mix aqueous solutions of cations and anions and the ionic cmpds switch the ions with which they were paired
Wavelength: (change in y)/(y) = v/c frequency: (change in f)/(f) = -v/c
Decreasing potential energy


3. What happens to a negatively charged particle put between two parallel plates?
It experiences a constant electric force of qE and will thus accelerate towards the positive plate
Ease of polarizability of the molecule and thus increasing molecular weight of mass
[S][2S]^2 = 4S^3
Light is absorbed and re-emitted by the atomic structure of the optically dense medium


4. What would the force be of a block on a pulley? What would be its displacement?

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5. What is usually conserved over oscillation periods?
Energy
Red
Electrons from anode and battery
The nucleus gains a proton and no neutrons


6. Nuclear masses can be approximated from what?

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7. Can a charged particle be detected by two anodes?

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8. If you have an alcohol with OH on the end and then another cmpd with an O in the middle but no H - what is different between the bonds they can make with water?

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9. The electrical force on a particle depends on what?

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10. Strength of dispersion force increases with what?
Neutrons; atomic number
They do not differ
Ease of polarizability of the molecule and thus increasing molecular weight of mass
The buoyant force on it; W = mg = pVg


11. Half-sine wave shape is what kind of wavelength with regards to length?
Zero
L = wavelength/2 so L= (wavelength)(2)
Add them together
P = F(v) = mg(v -terminal)


12. How do you figure out the literature Ksp value of a compound?
They are directly proportional
A saturated solution in which the aqueous ions are in equilibrium with the solid
Isolating an atom from minerals by decomposing the minerals with an electric current
That of static friction; there is a net accelerating force on the block once it starts to slide


13. In Bohr model of atom when is energy emitted?
Voltage
When all the external forces = zero
Strong acid and strong base/ weak acid and weak base
When electron falls from high energy to low energy level


14. How would you find rate of rxn from pH 1 to pH2?
P = IV
Yes - if the particle's trail is equidistant between two adjacent anodes
Look at how many times smaller the H concentration becomes with relation to rate law: if rate law says [H] is second order: ((10^-2)^2/(10^-1)^2 = 10^-2 and then times that answer by the original rate
Force times the distance over which the force acts


15. What is the unit for Young's Modulus?
Ability to locate an event in space
Pascal (N*m^2)
That of static friction; there is a net accelerating force on the block once it starts to slide
Look at how many times smaller the H concentration becomes with relation to rate law: if rate law says [H] is second order: ((10^-2)^2/(10^-1)^2 = 10^-2 and then times that answer by the original rate


16. Is the work done by air resistance - positive or negative?
Negative
0 Hz because they are traveling side by side at the same speed
Density (gravitational constant) height
It has a positive oxidation potential so it is easily oxidized


17. The concentration of OH and H30 ions are approximately equal at what pH?
Energy
The volume of the ice cube or whatever it is
7 always!!!
No - it increases the speed at which the rxn reaches that equilibrium


18. What is the formula for the power supplied by a battery to accelerate an electron beam?
[S][2S]^2 = 4S^3
It has a positive oxidation potential so it is easily oxidized
P = IV
The path is longer on the inclined plane so it will take object longer to reach the bottom


19. Considering the answer in the last slide - what kind of a solution would have a lower freezing pt?
One that has more solute particles per liter of solution
You look at how many electrons are needed to reduce one cmpd and that number will be put in front of that cmpd and you do the same thing that's oxidized as well: review #38 on test #11
A current; a magnetic field into a curved path; the charge and mass of the incoming particle and can be effectively used to distinguish different species of particles from one another
[A]^a[B]^b


20. Why are bonds between H and another atom shorter compared to most?
External components of the circuit
H has a small atomic radius
Electrons from anode and battery
Alkali metals = first column


21. What is the equation for pressure?
The element's mass number
You should look for the two substances that appear to be equal in structure - with no structural differences (or as little as possible)
One that has more solute particles per liter of solution
Density (gravitational constant) height


22. What is the equation for bouyant force? What is p?
B = pVg; density
Its momentum is zero because velocity is zero; zero because of conservation of momentum
The mass of an acid that yields one mole of H ions or the mass of a base that reacts with one mole of H ions
Positive


23. If you are told to find the maximum number of NiCo3 that can form how do you do that?

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24. When does red litmus paper turn blue?
That it is negative
They are directly proportional
In the presence of a base
You look at what is being oxidized and reduced in the problem


25. When you are trying to find the buyoancy force of water on a lead object what density do you use in the equation B = pVg? what volume?
Until all of it has been melted because energy is going into it to melt it not to change temperature during its melting
Its intensity in the spectrum
The density of the water and volume of the lead object
Dipole moment; the attractive forces holding them together in liquid state are London or dispersion forces


26. When looking at which combo of acids and bases will result in a solution with pH of 7 what do we look for?
Momentum
When HIn is turned into In- - which is dependent upon the pKa of the indicator
External components of the circuit
The Ka or Kb that has an exponent closest to 7 because pKa + pKb = pKw and pKw = 14


27. So if you have a voltage of 1/4V it will be reduced by what? Thus what will be the equation for the terminal voltage?
The lowest whole number ratio of moles of each element in a mole of a cmpd
One that has more solute particles per liter of solution
Faraday/electrons
It will be reduced the voltage produced by the resistor which means IR; E- IR


28. The visible spectrum ranges from ____ to _____
400 to 700 nm
It decreases; the work done by the gas in expanding decreases its internal energy
Attractive molecular forces acting between material surfaces in contact
(+)


29. Why does light travel slower in an optically dense medium than through a vacuum?
-l to +l
0 Hz because they are traveling side by side at the same speed
Faraday/electrons
Light is absorbed and re-emitted by the atomic structure of the optically dense medium


30. Acetic acid is a ______ solvent
Polar
Helium; 4
A function of the total number of molecules; if there is one mol of CO2 for every 2 mol of H20 then H20 is 2/3 the total pressure
T = 2pi/angular velocity; v/r


31. The range of pH in which a color change takes place in a titration depends on what?
The current is the same
Their freq is smaller and energy is smaller; when wavelength is smaller freq is larger and higher energy = more dangerous
When HIn is turned into In- - which is dependent upon the pKa of the indicator
Look at the reactants and see which atom is being reduced - since it accepts the electron readily and is reduced we can assume it has the highest electron affinity


32. The boiling point of a solution is what type of property? Which means is depends only on what?
7 always!!!
Colligative; the number of solute particles present
The Ka or Kb that has an exponent closest to 7 because pKa + pKb = pKw and pKw = 14
Constant; stress/strain = (F/A)/ (change in L/L) = straight line withe positive slope that stays constant


33. The probability of an X-ray emission event at a given wavelength is measured by what?
Sp^3
Where an event took place
Its intensity in the spectrum
F =ma and F= qE


34. If any species is gotten rid of when combining two equations of chemical rxns together what can you conclude about those species?
How much energy is needed to raise one gram of a substance one degree celcius; it tells that you need more energy to increase temperature
That they are catalysts in the rxn because they react with the substrate and are reformed
One that has more solute particles per liter of solution
It is a rxn where you mix aqueous solutions of cations and anions and the ionic cmpds switch the ions with which they were paired


35. How do you find wavelength if you known distance from adjacent crests and troughs?
That they are catalysts in the rxn because they react with the substrate and are reformed
Mg
Positron because this is known as positron decay/electron capture
Its twice that distance


36. What is newton's second law?
A constant force on a mass causes it to have a constant acceleration
Only temperature of the water bath
Gravity
They must balance


37. How do you find what is the limiting reagent? You can then use the moles of the limiting reagent to calculate what?
One that has more solute particles per liter of solution
In the presence of a base
You see how many moles of each are present and the one with the least is limiting; calculate how many grams/moles of a product will be made
F =ma and F= qE


38. What is the hybridization of oxygen in water and other oxygens similar to water with two bonds and two lone pairs of electrons?
Constant to overcome the heat of fusion (solid to liquid state)
Sp^3
Neutrons; atomic number
Momentum


39. What energy conversion describes best what takes place in a battery-powered resistive circuit?
In the presence of a base
Quantum number that dictates the shape of an orbital; how many angular nodes are present? Spherical shape with no angular nodes thus you have 0 for angular momentum quantum number
Battery starts off chemical and creates an electrical current which creates thermal energy in the resistors
Pascal (N*m^2)


40. An alpha particle can also be assumed to be what element? What is the mass number of Helium?
Sp^3
Gravity
Colligative; the number of solute particles present
Helium; 4


41. In PV=nRT - if temp increases what will happen to volume?
[A]^a[B]^b
3+
It will increase as well because they are directly related - only if pressure is kept constant
Mv = mv


42. In radioactive decay the atomic number (A) and mass number (Z) must what?
Ability to locate an event in space
They must balance
It decreases; the work done by the gas in expanding decreases its internal energy
The mass number stays the number but the atomic number decreases by one - usually resulting in another element


43. How should the period of a waveform be calculated?
3+
Shorter than it should be so rays from a distant object form in front of retina; use divergent lens
The blood pressure in the leg is greater because the column between the arm and the leg has a hydrostatic pressure
From peak to peak


44. A plane mirror produces an image where?
It minimizes the reabsorption of the light because the light must exit the scintillator to reach the photomultiplier where it is converted to an electrical pulse
One that has more solute particles per liter of solution
At an equal distance behind it as the object is in front of the mirror
Voltage


45. When you are trying to calculate a galvanic cell's emf - what do you look at?
H has a small atomic radius
They do not differ
You look at what is being oxidized and reduced in the problem
A saturated solution in which the aqueous ions are in equilibrium with the solid


46. Can a catalyst shift equilibrium?
[S][2S]^2 = 4S^3
No - it increases the speed at which the rxn reaches that equilibrium
A salt and water
Light is absorbed and re-emitted by the atomic structure of the optically dense medium


47. The Ksp for a substance of AaBb is what?
Helium; 4
[A]^a[B]^b
Density (gravitational constant) height
The blood pressure in the leg is greater because the column between the arm and the leg has a hydrostatic pressure


48. A pendulum moves under the influence of what?
1) Young's Modulus 2) Shear Modulus 3) Bulk Modulus
T = (2h/g)^1/2; distance = vt
Gravity
You look at how many electrons are needed to reduce one cmpd and that number will be put in front of that cmpd and you do the same thing that's oxidized as well: review #38 on test #11


49. When a falling mass is at terminal speed - what is the power expended by the air resistance?
A current; a magnetic field into a curved path; the charge and mass of the incoming particle and can be effectively used to distinguish different species of particles from one another
P = F(v) = mg(v -terminal)
Alkali metals = first column
Its momentum is zero because velocity is zero; zero because of conservation of momentum


50. The total pressure of a solution is what? Give example.
A function of the total number of molecules; if there is one mol of CO2 for every 2 mol of H20 then H20 is 2/3 the total pressure
Energy
The nucleus gains a proton and no neutrons
Electrons from anode and battery