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Worksheetschem and physics
Total questions: 89
Worksheet time: 45mins
Name
Class
Date
1.
Charles law describes the effect of ________ on the volume of a gas.
a)
pressure
b)
temperature
c)
solubility
d)
partial pressure
2.
in charles law which is always constant?
a)
pressure
b)
volume
c)
temperature
3.
in gay-lussacs law which is always constant?
a)
pressure
b)
temperature
c)
volume
d)
partial pressure
4.
in boyles law which is always constant?
a)
temperature
b)
partial pressure
c)
volume
d)
solubility
5.
what is the equation for charles law since pressure is constant?
a)
V1/T1=V2/T2
b)
V2/V1=T2/T1
c)
V1=T1/T2XV2
d)
V1/T1=T1/V2
6.
when doing square roots you always get two answers, one negative and one positive?
a)
true
b)
false
7.
convert 98 degrees Fahrenheit to Celsius?
a)
50.1 degree Celsius
b)
41.3 degree Celsius
c)
36.7 degree Celsius
d)
32.5 degree Celsius
8.
convert 50 degrees Celsius to Fahrenheit?
a)
122 F
b)
115.5 F
c)
100 F
d)
121 F
9.
75 degrees Fahrenheit is how much in kelvin?
a)
230
b)
297
c)
360
d)
294
10.
log(AxB) is the same thing as?
a)
log (A) + Log (B)
b)
log (A) - Log (B)
c)
log (A) / Log (B)
11.
log(A/B) is the same thing as?
a)
log (A) + Log (B)
b)
log (A) - Log (B)
c)
log (A) / Log (B)
12.
express these two as regular numbers. 1.02X10^-4 and 1.5X10^6
a)
0.000102 and 1,500,000
b)
0.00102 and 1,500,000
c)
0.0000102 and 15,000,000
d)
0.0102 and 10,500,000
13.
true or false, Accuracy is the agreement between experimental data and the “true” value?
a)
true
b)
false
14.
true or false, Precision is the disagreement between replicate measurements.
a)
true
b)
false
15.
How is accuracy improved?
a)
by making replicate measurements and taking the average.
b)
By replicating the study multiple times
c)
by finding the true value
d)
by doing it right the first time
16.
Precision is improved by careful lab technique and/or using instruments with more significant figures. More significant figures imply __________ precision and Precision can be quantified by______________?
a)
greater, standard deviation
b)
decreased, math
c)
greater, inverse of accuracy
d)
decreased, accuracy minus the true value
17.
The (arterial) PO2 of a patient is measured three times and these values are found: 106 mm Hg, 97.0 mm Hg and 101 mm Hg (in that order). Average= 101. what is the standard deviation
a)
4.8
b)
3.9
c)
4.5
d)
4.2
18.
Express this temperature (79°F) in degrees Celsius?
a)
28
b)
26
c)
32
d)
22
19.
Express this temperature (37°c) in degrees Fahrenheit?
a)
87.4
b)
98.6
c)
97
d)
101
20.
32 inches is how many centimeter?
a)
81.28
b)
84
c)
12.59
d)
15
21.
A patient receives 6 liters of oxygen per minute.
How many mL per second is this?
How many mL per second is this?
a)
120 ml/sec
b)
100 ml/sec
c)
115 ml/sec
d)
69 ml/sec
22.
you have a 15 Kg how many ounces is that?
a)
532
b)
528
c)
11
d)
58
23.
A patient receives 3 liters of oxygen per minute.
How many mL per second is this?
How many mL per second is this?
a)
50 ml/sec
b)
55 ml/sec
c)
20 ml/sec
d)
36 ml/sec
24.
the patient is on a drip. the floor RN tells you they are running a micro drip and the pump is running at 0.03 liters per hour, how many drops per minute is that?
a)
25
b)
40
c)
30
d)
27
25.
33 degrees Celsius is how much in kelvin?
a)
276
b)
306
c)
299
d)
312
26.
The patient is intubated and coming to the OR from ICU for emergency surgery. the patient is on a dopamine drip (800mg/250ml concentration) and the pump is running at 7.5ccs/hr. the patient weighs 80kg. what is the dose of dopamine on the pump? express the answer is mcg/kg/min.
a)
5 mcg/kg/min
b)
8 mcg/kg/min
c)
6 mcg/kg/min
d)
3 mcg/kg/min
27.
your levophed drip is running at 20ml/hr the concentration is 16mg/250ml. patient weighs 75kg. what is the dose the patient is getting. express your answer in mcg/min.
a)
21 mcg/min
b)
18 mcg/min
c)
23 mcg/min
d)
15 mcg/min
28.
patient is on a precedex drip at 0.5mcg/kg/hr if the concentration is 4mcg/ml what is the ml/hr
a)
25
b)
15
c)
36
d)
not enough information
29.
patient is on a precedex drip at 0.4 mcg/kg/hr if the concentration is 4mcg/ml and the patient weights 85kg. what is the ml/hr
a)
8.7 ml/hr
b)
8.5 ml/hr
c)
7.1 ml/hr
d)
6.2 ml/hr
30.
the patient is on a propofol drip for a MAC case at 35mcg/kg/min. he weights 66kg. how many ml/hr is the pump running at? the propofol bottle comes in 1000mg/100ml.
a)
17 ml/hr
b)
13.86 ml/hr
c)
12 ml/hr
d)
22.05 ml/hr
31.
you have a neosynephrine drip. the dose is 22 mcg/min and your concentration is 20mg/100ml. patient is on a micro drip, what is the drops per minute?
a)
7.5 gtts/min
b)
6.6 gtts/min
c)
5.7 gtts/min
d)
7.2 gtts/min
32.
What is the FiO2 that results from 3L of O2 and 5L of Air?
a)
68%
b)
51%
c)
48%
d)
58%
33.
What is the FiO2 that results from 3L of O2 and 4L of N20?
a)
41%
b)
43%
c)
36%
d)
98%
34.
What is the FiO2 that results from 1L of O2 and 7L of Air?
a)
31%
b)
28%
c)
17%
d)
35%
35.
What Fresh Gas Flows of O2 and Air are needed to achieve a FIO2 of: 40%
a)
6L of air 2L of O2
b)
5L of air 2L of O2
c)
7L of air 3L of O2
d)
4L of air 2L of O2
36.
What Fresh Gas Flows of O2 and Air are needed to achieve a FIO2 of: 60%
a)
4L of air 4L of O2
b)
4L of air 2L of O2
c)
3L of air 1.6L of O2
d)
6L of air 2L of O2
37.
true or false newtons first law states that “An object at rest remains at rest until a force acts upon it.”?
a)
true
b)
false
38.
true or false. Newton’s second law states: The smaller the mass of an object, the more force is required to get it moving
a)
true
b)
false
39.
in newtons second law what does this equation mean. F=M (X) A
a)
force is equal to mass times acceleration
b)
force is equal to minutes times acceleration
c)
force is equal to mass times accuracy
d)
force is equal to movement times acceleration
40.
Vectors have both magnitude and?
a)
speed
b)
direction
c)
density
d)
volume
41.
true or false mass is a vector
a)
true
b)
false
42.
all of these are vectors except?
a)
velocity
b)
force
c)
displacement
d)
density
43.
The barometer reads 720 mm Hg. Express this pressure in units of: PSI
a)
14 psi
b)
18 psi
c)
34 psi
d)
10 psi
44.
What is the pressure of 2.3 atm in psi?
a)
33.8 psi
b)
27.3 psi
c)
40 psi
d)
32.5 psi
45.
true or false: A Bourdon gauge measures the pressure difference between the pressure exerted by the gas contained in the cylinder and the atmospheric pressure
a)
true
b)
false
46.
in the equation acceleration= velocity/time which is not a vector?
a)
acceleration
b)
time
c)
velocity
47.
what is an example of force?
a)
pushing a plunger in a syringe
b)
pulling out an IV catheter
c)
dripping an IV fluid from a suspended bottle
d)
all of the above
48.
in a solution the solvent is the______quantity and the solute is the ____quantity?
a)
larger, smaller
b)
smaller, larger
c)
same on both
49.
true or false: solutions that are hydrophobic easily dissolve in water?
a)
true
b)
false
50.
What is the molarity of a solution prepared by dissolving 33.0 grams of NaCl in enough water to give a total volume of 475 mL?
a)
1.19 M
b)
1.21 M
c)
1.7 M
d)
2.2 M
51.
What is the molarity of a solution prepared by dissolving 22 grams of NaHCO3 in enough water to give a total volume of 650 mL?
a)
0.4 M
b)
0.3 M
c)
0.2 M
d)
0.65 M
52.
which is temperature dependent Molarity or Molality?
a)
molarity
b)
molality
c)
neither
d)
both
53.
if we increase the temperature what will happen to the molarity of a solution?
a)
increase
b)
decrease
c)
remain the same
54.
Calculate the percent by weight of NaCl in a solution comprised of 87 g NaCl and 650 g of water
a)
13.3%
b)
11.8%
c)
19.2%
d)
9.9%
55.
A ______________solution contains the maximum amount of a solute, as defined by its solubility (no more solute will dissolve in a solution that is already saturated with that solute)
a)
saturated
b)
supersaturated
c)
solubility
d)
unsaturated
56.
the formation of kidney stones in your blood is an example of what type of solution?
a)
unsaturated
b)
saturated
c)
supersaturated
d)
balanced
57.
cations are __charge and anions are ___charge
a)
positive, negative
b)
negative, positive
c)
neutral, positive
d)
positive, neutral
58.
The Henry’s law constant for oxygen in water is 0.066g/L/atm at 25oC. What is the solubility (in mg/L) of O2 in pure water when the atmospheric pressure is 730 torr. In air, the mole fraction of oxygen is 0.21. give answer in mg/L
a)
13.3 mg/L
b)
0.3 mg/L
c)
1.3 mg/L
d)
11.3 mg/L
59.
if you have a solution on the left that is hypertonic and a solution on the right that is hypotonic which way will the water move based on the concept of osmosis
a)
from right to left
b)
from left to rigth
c)
no movement
60.
true or false: If the concentrations of solutes are not equal in two solutions, the solution with the higher concentration of solutes is considered HYPERTONIC and the solution with the lower concentration of solutes is considered HYPOTONIC
a)
true
b)
false
61.
the atomic number of carbon is six and its atomic mass is 12 how many elcetrons does it contain?
a)
5
b)
6
c)
12
d)
7
62.
true or false: the equation for molarity is moles of solute/ Kg of solvent
a)
true
b)
false
63.
desfluraine is heated to 2 atm how much is that in PSI?
a)
29.4 psi
b)
27.7 psi
c)
12 psi
d)
16 psi
64.
patient is on a nitro drip concentration is 50mg/500ml the rate is 17ml/hr what is the dose the patients is getting?
a)
28 mcg/min
b)
25 mcg/min
c)
32 mcg/min
d)
18 mcg/min
65.
you get report from a nurse on the floor for a patient coming to you with a dopamine drip. concentration 800mg/500ml. patient weights 85 kg. the rate on the pump is 12 ml/hr. the order is for 6 mgc/kg/min. is the patient getting the right dose?
a)
yes
b)
no
c)
not enough info
66.
what is the molarity of a solution by dissolving 34 g of NaCL in water for a total volume of 6 gallons?
a)
0.026
b)
0.23
c)
2.98
d)
not enough information
67.
true or false acids donate a hydrogen and bases accept the hydrogen
a)
true
b)
false
68.
a hemoglobin molecule can carry how many oxygen molecules
a)
1
b)
3
c)
4
d)
2
69.
In an equilibrium reaction if you add more reactants which way will the equation shift?
a)
towards the product
b)
towards the reactants
c)
will not change it is at equilibrium
70.
if the K of a reaction is 22, what is favored the product or the reactants
a)
product
b)
reactants
71.
if the K of a reaction is 0.56, what is favored the product or the reactants
a)
product
b)
reactant
72.
If the K of the forward reaction is 22, what is the K of the reverse reaction?
a)
1/22
b)
22
c)
2
d)
1/2
73.
what is the conjugate bases of each of these HCL and HSO4(-).
a)
CL-, SO4^-2
b)
CL, HSO4
c)
HCL, SO4-
d)
HL, HSO4-
74.
what is the conjugate acid of each of these HPO4^-2 and H2O
a)
H2PO4-, H3O+
b)
H2PO4, H3O+
c)
H3PO4-, HO3+
75.
in this equation NH3 (+) HC2H3O2 <> NH4+ (+) C2H3O2- which is the base and which is the conjugate acid?
a)
NH3, C2H3O2-
b)
NH3, HC2H3O2
c)
NH4+, HC2H3O2
d)
NH3, NH4+
76.
in this equation NH3+ (+) HC2H3O2 <> NH4+ (+) C2H3O2- which is the acid and which is the conjugate base?
a)
HC2H3O2, NH4+
b)
NH4+, NH3
c)
C2H3O2-, NH4+
d)
HC2H3O2, C2H3O2-
77.
true or false: An amphoteric species can behave as either an acid or a base and water is an example of one
a)
true
b)
false
78.
What is the pH of a 0.045 M solution of HCl?
a)
1.5
b)
1.3
c)
1.2
d)
1.4
79.
What is the pH of a 0.000035 M solution of HCl?
a)
4.46
b)
4.32
c)
5
d)
2.7
80.
The pH of a dilute nitric acid solution is 2.30. What is the formal concentration of nitric acid?
a)
5.0 e -5
b)
5.0 e -3
c)
4.67 e -2
d)
4.2 e-3
81.
What is the pH of a 0.325 M solution of NaOH?
a)
13.5
b)
12.6
c)
11.9
d)
13.7
82.
The pH of a dilute KOH solution is 8.93. What is the [H+]?
a)
1.17 e-9
b)
2.1 e-7
c)
1.02 e-8
d)
1.34 e-9
83.
Dose of a medication is 35mcg/kg/min. concentration is 1000mg/100ml. what is the rate? Give answer in MLs an hour
a)
50ml/hr
b)
25 ml/hr
c)
35ml/hr
d)
not enough information
84.
Dose of a medication is 27mcg/kg/min. concentration is 1000mg/100ml. what is the rate if the patient weights 80kg? Give answer in mls per hour.
a)
12.96 ml/hr
b)
13.76 ml/hr
c)
11.87 ml/hr
d)
10.09 ml/hr
85.
what is the molarity of 69 grams of MgCl2 in 760mls of water?
a)
0.965
b)
1.278
c)
0.979
d)
0.488
86.
What is the solubility of O2 if the patient is receiving 3 liters of oxygen via nasal cannula (1 liter equals a 4% increase in FIO2). room air is 21%. henrys constant is 0.042g/L/atm and the pressure is 722 torr?
a)
0.022
b)
0.013
c)
0.254
d)
0.031
87.
true or false: in an exothermic reaction, energy flows out of the system into the surroundings?
a)
true
b)
false
88.
what is the definition of acceleration?
a)
how velocity changes with time
b)
speeding up
c)
peanut butter jelly time
d)
is a vector of quantity
89.
how many VALENCE electrons does oxygen have?
a)
6
b)
7
c)
9
d)
8
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