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General Chemistry 1103 Exam 1 of TEST BANK 2024/2025 Questions With Verified Solution.
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General Chemistry 1103 Exam 1 of TEST BANK 2024/2025 Questions With Verified Solution.
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General Chemistry 1103 Exam 1Mega- - ANS 1.0x10^6 (M)
Kilo- - ANS 1.0x10^3 (k)
Deci- - ANS 1.0x10^-1 (d)
Centi- - ANS 1.0x10^-2 (c)
Milli- - ANS 1.0x10^-3 (m)
Micro- - ANS 1.0x10^-6 (μ)
Nano- - ANS 1.0x10^-9 (n)
Pico- - ANS 1.0x10^-12 (p)
Conversion Factors - ANS 1kg = 2.205lbs, 1oz. = 28.35g
1mi = 1.609km, 1in = 2.54cm
1gal = 3.785L, 1L = 1.06qts
1g = 1ml = 1cm^3
1hr = 3600s
Kelvin to Celsius Conversions - ANS K = C+273.15
C= K-273.15
Celsius to Fahrenheit Conversions - ANS C = 5/9(F-32)
F= 1.8(C) + 32
Base SI Units - ANS Mass = Kilograms (kg)
Length = Meters (m)
Time = Seconds (s)
Temperature = Kelvin (K)
Electric Current = Ampere (A)
Amount of Substance = mole (mol)
Luminous Intensity = Candela (cd)
Density Equation - ANS D=m/v; v=m/d; m=vd
Chemical Properties - ANS A characteristic that changes the identity of the substance.
Converted into a new substance
, ex: oxidation, flamability
Physical Properties - ANS A characteristic that does not change the identity of the substance.
Alters its appearance but not its composition
ex: melting ice, boiling point, density, color, solubility
extensive properties - ANS dependent on the sample size
ex. mass, volume
intensive properties - ANS independent of the sample size
ex: physical properties, density, color, temperature
Dalton Atomic Theory - ANS 1. Element made up of atoms
2. All atoms of given elements are the same
3. Atoms of one element differ from one another
4. atoms of one element can combine with atoms of another element to form compounds
5. atoms are indivisible. Cannot be created or destroyed
Pure Substance - ANS Element and compounds
ex: Splenda, Sugar, Ethanol, Water
Homogeneous Mixtures - ANS is the same throughout
Heterogeneous Mixtures - ANS has regions of different properties
Mixture - ANS two or more pure substances mixed by physical means
J.J Tompson - ANS discovered electrons through Cathode Ray experiment
Rutherford Gold Foil Experiment - ANS Rutherford shot alpha particle into sheets of metaland
discovered nucleus/neutrons
AMU - ANS atomic mass unit
calculated by 1/12 of carbon atom
Isotopes - ANS have same number of proton but differ in number of neutrons
a a = protons+neutrons
z X z = protons X = atomic symbol
% abundance of Isotopes - ANS mass of element = A%X + B%Y; Y = 1 - X
Groups - ANS go down the periodic table
Periods - ANS go across the periodic table
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