PHA 317: Pharmaceutics Quiz 1 – 4 UPDATED ACTUAL Questions and CORRECT
Answers
Terms related with conversion from one state of matter to another e.g. melting point,
States of matter
boiling melting point, sublimation, and deposition
log xy = log x + log y
log x/y = log x - log y
logx^y = y log x
Any number divided by zero or infinitive is undefined
Any number multiplied by an infinitive is infinitive
Any number raised to the power of zero is 1
equal to?
log y√ x = (1/y) log x
What is the median? Central point, 50th percentile
What is the mode? Most frequent data
The closeness of a measured value to the Accuracy
correct value is called
The concept and rules of significant figures True
should be applied only when a
mathematical operation involves an
approximation in a measured quantity.
In a set of data samples, the data that Mode
occurs the most is called
What are the three fundamental length, mass, time
dimensions?
Pressure
Force per unit of area is called
dynes/cm^2 OR g/(cm s^2)
, 1 erg is equal to ? 1 dyne x 1 cm
1 calorie is how many joules? 4.184 J
An angstrom unit A is equal to 10^-10m
1 joule is how many ergs? 1 x 10^7 ergs
10 calories is equal to how many ergs? 42 x 10^7 ergs
Define density mass per unit of volume
Density is commonly represented as Rho (ρ)
The density of a substance in comparison to water
Specific gravity: (ρ of a substance) / (ρ of water)
no units
capacity to do work
Define energy:
Units in joules or ergs
Heat is measured in? calorie (c) or kilocalorie (Kc)
The dipole moments of phenacetin, Phenacetin
sulfanilamide, and testosterone are 5.67,
5.37, and 4.17; Which one do you expect
will be the most soluble in water?
Hydrogen bonds have characteristics of Both ionic and dipolar force
The critical temperature and pressure for No
CO2 gas are 31 degrees C and 74.9 atm,
respectively. Can you liquefy CO2 stored at
100 degrees C by applying pressure only?
Which type of solids will dissolve at a Amorphous
greater rate ( crystalline or amorphous)?
A thermodynamic process, where the heat Isothermal process
transfer is not zero, is called
Sodium Chloride and methane are electrovalent and covalent compound, respectively
i. repulsive and attractive forces
ii. Van der Waal's forces
The forces that bind molecules include:
iii. ion-dipole and ion-induced dipole forces
iv. hydrogen bonds
Dividing product of velocity of light and planks constant by wavelength of the
Energy of a radiation can be calculated by
radiation
Aqueous solubility of iodine in presence of i. interaction between ion-dipole
KI is due to ii. ion-induced dipole
The clasius-Clapeyron equation for liquids Vapor pressure and absolute temperature
establishes a relationship between
Polymorphs have different melting point, X- False
ray diffraction pattern and solubility but
same chemical properties (T or F)
Polymorphs are same substance but in i. different melting points
different crystalline forms which are ii. X-ray diffraction patters
characterized by iii. solubility
The crystalline and amorphous solids are Melting point and glass transition temperature, respectively
characterized by
Answers
Terms related with conversion from one state of matter to another e.g. melting point,
States of matter
boiling melting point, sublimation, and deposition
log xy = log x + log y
log x/y = log x - log y
logx^y = y log x
Any number divided by zero or infinitive is undefined
Any number multiplied by an infinitive is infinitive
Any number raised to the power of zero is 1
equal to?
log y√ x = (1/y) log x
What is the median? Central point, 50th percentile
What is the mode? Most frequent data
The closeness of a measured value to the Accuracy
correct value is called
The concept and rules of significant figures True
should be applied only when a
mathematical operation involves an
approximation in a measured quantity.
In a set of data samples, the data that Mode
occurs the most is called
What are the three fundamental length, mass, time
dimensions?
Pressure
Force per unit of area is called
dynes/cm^2 OR g/(cm s^2)
, 1 erg is equal to ? 1 dyne x 1 cm
1 calorie is how many joules? 4.184 J
An angstrom unit A is equal to 10^-10m
1 joule is how many ergs? 1 x 10^7 ergs
10 calories is equal to how many ergs? 42 x 10^7 ergs
Define density mass per unit of volume
Density is commonly represented as Rho (ρ)
The density of a substance in comparison to water
Specific gravity: (ρ of a substance) / (ρ of water)
no units
capacity to do work
Define energy:
Units in joules or ergs
Heat is measured in? calorie (c) or kilocalorie (Kc)
The dipole moments of phenacetin, Phenacetin
sulfanilamide, and testosterone are 5.67,
5.37, and 4.17; Which one do you expect
will be the most soluble in water?
Hydrogen bonds have characteristics of Both ionic and dipolar force
The critical temperature and pressure for No
CO2 gas are 31 degrees C and 74.9 atm,
respectively. Can you liquefy CO2 stored at
100 degrees C by applying pressure only?
Which type of solids will dissolve at a Amorphous
greater rate ( crystalline or amorphous)?
A thermodynamic process, where the heat Isothermal process
transfer is not zero, is called
Sodium Chloride and methane are electrovalent and covalent compound, respectively
i. repulsive and attractive forces
ii. Van der Waal's forces
The forces that bind molecules include:
iii. ion-dipole and ion-induced dipole forces
iv. hydrogen bonds
Dividing product of velocity of light and planks constant by wavelength of the
Energy of a radiation can be calculated by
radiation
Aqueous solubility of iodine in presence of i. interaction between ion-dipole
KI is due to ii. ion-induced dipole
The clasius-Clapeyron equation for liquids Vapor pressure and absolute temperature
establishes a relationship between
Polymorphs have different melting point, X- False
ray diffraction pattern and solubility but
same chemical properties (T or F)
Polymorphs are same substance but in i. different melting points
different crystalline forms which are ii. X-ray diffraction patters
characterized by iii. solubility
The crystalline and amorphous solids are Melting point and glass transition temperature, respectively
characterized by
