PM
CHEM 1030 AUBURN EXAM 1 EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)/GRADE A+ ASSURED.
Which of the following is a heterogeneous B.) Snickers bar
mixture?
a.) bottled water
b.) snickers bar
c.) grape juice
d.) apple juice
Which group of elements forms Alkaline earth metals
monoatomic ions with a charge of +2?
What is the name of an element that Sulfer
corresponds to a period 3 chalcogen?
What is -40 degrees C in Fahrenheit and -40 fahrenheit, 233 kelvin
in Kelvin?
Which scientist completed the oil drop Millikan-the charge of an atom
experiment? What did he discover?
Convert 15.0Mg/dL to ng/kL 1.5x10^20 ng/kL
How many grams of oxygen are in 100g 53.33g
of Glucose (C6H12O6)
If you have equal masses of the following Na2S
compounds, which would contain a
greater number of ions
a.)NaBr
b.)KCl
c.) Na2S
Which of the following four electron A.) n=1 -> n=2
transitions in the hydrogen atom is
associated with radiation having the
shortest wavelength?
a.) n=1 -> n=2
b.)n=2 -> n=3
c.)n=3 -> n=4
What is the energy of a photon of light E= 2.00x10^-19 J
that has a wavelength of 99.4 nm?
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, 3/10/26, 6:49
PM
What is the wavelength of radiation of a 397 nm
photon that gives off 5.00x10^-19 J of
energy ?
TempK to TempC Temp C + 273.15
Temp F to Temp C TempC x 9/5 + 32
Temp C to Temp F 5/9 ( Temp F - 32)
Temp C to Temp K Temp K - 273.15
Planck's Constant (h) 6.626x10^-34 Jxs
Speed of Light (c) 2.998x10^8 m/s
How to find (E) HxW
How to find (c) (~/)De broglie x V
Avogadro's Number 1 mol = 6.022x10^23
1mL = 1cm ^3
Density mass/volume
femto (f) 1 fm = 10^-15 m
pico (p) 1 pm = 10^-12 m
nano (n) 1 nm = 10^-9 m
micro ( ju) 1 jum = 10^-6 m
milli (m) 1 mm = 10^-3 m
centi (c) 1 cm = 10^-2 m
deci (d) 1 dm = 10^-1 m
deka (da) 1 dam = 10^1 m
hecto (h) 1 hm = 10^2 m
kilo (k) 1 km = 10^3
mega (M) 1 Mm = 10^6 m
giga (G) 1 Gm = 10^9 m
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