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Chem 111 Bundled Exams with complete solutions
Chem 111 Bundled Exams with complete solutions
[Meer zien]Chem 111 Bundled Exams with complete solutions
[Meer zien]physical vs. chemical change - Answer-physical- does not change the substance. 
change in matter but nor chemical composition 
chemical- substance is changed. 
energy is absorbed or released. 
one or more substances being used 
solid - Answer-often rigid with definite shape 
gas - Answer-fills conta...
Voorbeeld 2 van de 15 pagina's
In winkelwagenphysical vs. chemical change - Answer-physical- does not change the substance. 
change in matter but nor chemical composition 
chemical- substance is changed. 
energy is absorbed or released. 
one or more substances being used 
solid - Answer-often rigid with definite shape 
gas - Answer-fills conta...
What is the wavelength in meters of green light with a frequency of 5.75 × 1014 s−1? 
(a) 5.22 × 10−7 m 
(b) 1.92 × 106 m 
(c) 1.92 × 108 m 
(d) 1.73 × 1023 m - Answer-(a) 5.22 × 10−7 m 
What is the energy of a photon having a wavelength of 900 nm? 
(a) 3.33 × 1014 J 
(b) 2.21 × 10−1...
Voorbeeld 3 van de 16 pagina's
In winkelwagenWhat is the wavelength in meters of green light with a frequency of 5.75 × 1014 s−1? 
(a) 5.22 × 10−7 m 
(b) 1.92 × 106 m 
(c) 1.92 × 108 m 
(d) 1.73 × 1023 m - Answer-(a) 5.22 × 10−7 m 
What is the energy of a photon having a wavelength of 900 nm? 
(a) 3.33 × 1014 J 
(b) 2.21 × 10−1...
sig fig zeros - Answer-1. zeros at beginning NOT signif 
2. zeros between ARE SIGNIF 
3. zeros at end of number are signif if number contains a decimal point 
3.489 x (5.67-2.3) - Answer-3.489 x 3.(3)7 
11.75793 
12 
matter - Answer-composed of mass and must occupy space 
scales of matter - Answer-m...
Voorbeeld 2 van de 6 pagina's
In winkelwagensig fig zeros - Answer-1. zeros at beginning NOT signif 
2. zeros between ARE SIGNIF 
3. zeros at end of number are signif if number contains a decimal point 
3.489 x (5.67-2.3) - Answer-3.489 x 3.(3)7 
11.75793 
12 
matter - Answer-composed of mass and must occupy space 
scales of matter - Answer-m...
Calorimetry - Answer-science of measuring heat 
Calculate amount of energy released using E=mc(dT) - Answer-Energy released= (mass of water 
heated)x(specific heat of water)(temp. change) specific heat=1.0 cal/gC 1 Cal=1000 cal 
What is meant by small calorie "c" and food calories "C"? - Answer-...
Voorbeeld 2 van de 13 pagina's
In winkelwagenCalorimetry - Answer-science of measuring heat 
Calculate amount of energy released using E=mc(dT) - Answer-Energy released= (mass of water 
heated)x(specific heat of water)(temp. change) specific heat=1.0 cal/gC 1 Cal=1000 cal 
What is meant by small calorie "c" and food calories "C"? - Answer-...
→C - Answer-(°F-32°F)*(5°C/9°C) 
C→F - Answer-(9°C/5°C)*°(°C)+32°F 
C→K - Answer-°C+273.15 
tera- or "T" - Answer-10¹² m or 1,000,000,000,000 
giga- or "G" - Answer-10⁹ m or 1,000,000,000 
mega- or "M" - Answer-10⁶ m or 1,000,000 
kilo- or "k" - Answer-10³ m or 1,000 
...
Voorbeeld 2 van de 11 pagina's
In winkelwagen→C - Answer-(°F-32°F)*(5°C/9°C) 
C→F - Answer-(9°C/5°C)*°(°C)+32°F 
C→K - Answer-°C+273.15 
tera- or "T" - Answer-10¹² m or 1,000,000,000,000 
giga- or "G" - Answer-10⁹ m or 1,000,000,000 
mega- or "M" - Answer-10⁶ m or 1,000,000 
kilo- or "k" - Answer-10³ m or 1,000 
...
Mass - Answer-kilogram (kg) 
length - Answer-meter (m) 
Time - Answer-Seconds (s) 
Temperature - Answer-Kelvin (K) 
Amount of substance - Answer-mole (mol) 
Electric Current - Answer-ampere (A) 
Luminous intensity - Answer-candela (cd) 
Mega - Answer-1,000,000 or 10^6 
Kilo - Answer-1,000 or 10^3 
D...
Voorbeeld 2 van de 6 pagina's
In winkelwagenMass - Answer-kilogram (kg) 
length - Answer-meter (m) 
Time - Answer-Seconds (s) 
Temperature - Answer-Kelvin (K) 
Amount of substance - Answer-mole (mol) 
Electric Current - Answer-ampere (A) 
Luminous intensity - Answer-candela (cd) 
Mega - Answer-1,000,000 or 10^6 
Kilo - Answer-1,000 or 10^3 
D...
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