In which hydrocarbon would an sp hybrid molecular orbital be found?
Answer Choices:
a. Cyclo-alkane
b. Alkene
c. Alkyne
d. Alkane
Answer: c. Alkyne
Select the products of the balanced equation for decomposition of hydrogen peroxide, 2H2O2.
Answer Choices:
a. 2H2O + O2
b. 1H1O2 + O2
c. 2H2O2 + O3
d. 2H2 + O2
Answer: a. 2H2O + O2
A cyclic, conjugated pi-system with 10 pi electrons, such as naphthalene, is considered aromatic.
Answer Choices:
True / False
Answer: True
What effect does galvanic electrolysis have?
Answer Choices:
chemically decomposing the hair follicle
chemically altering the skin pH in the area near the follicle
sealing the hair follicle shut through severe burning
quickly yanking the entire hair shaft out by the root
Answer: chemically decomposing the hair follicle
Which unit measures the resistance of an electric current?
Answer Choices:
amp
watt
volt
ohm
Answer: ohm
The number of double bonds in a molecule is called the degree of _____.
Answer Choices:
a. hydrogenation
b. melting
c. saturation
d. unsaturation
Answer: d. unsaturation
Ultraviolet A (UVA) light _____.
Answer Choices:
is blocked by the ozone layer
is often called the “burning light”
is often used in tanning beds
has the shortest wavelength
Answer: is often used in tanning beds
Hydrocarbons are unable to hydrogen bond because they lack _____.
Answer Choices:
a. lone pairs
b. London dispersion forces
c. carbon-hydrogen bonds
d. carbon-carbon bonds
Answer: a. lone pairs
Which movement separates the fingers?
Answer Choices:
adduction
extension
abduction
flexion
Answer: abduction
What is ionization?
Answer Choices:
process of identifying and cataloguing ions
process of merging ions to form a new substance
process of separating a substance into ions
process of fortifying a substance with additional ions
Answer: process of separating a substance into ions
In which hydrocarbon would an sp2 hybrid molecular orbital be found?
Answer Choices:
a. Cyclo-alkane
b. Alkyne
c. Alkane
d. Alkene
Answer: d. Alkene
What is a TCA peel used for?
Answer Choices:
darkening lightly pigmented skin
preventing collagen and elastin production
diminishing sun damage and wrinkles
lightening highly pigmented skin
Answer: diminishing sun damage and wrinkles
Which statement is true about ultrasound technology?
Answer Choices:
high frequency is best for cellulite removal
ultrasound does not remove dead skin cells
low frequency has high penetration
high frequency has high penetration
Answer: low frequency has high penetration