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CHM 1045 EXAM PACKAGE DEAL WITH COMPLETE SOLUTIONS GRADED A+
[Show more]CHM 1045 EXAM PACKAGE DEAL WITH COMPLETE SOLUTIONS GRADED A+
[Show more]___________ and _________ are inversely proportional; _________ and _______ are directly 
proportional - frequency and wavelength ; frequency and energy 
1st Law of Thermodynamics - delta-U = q + W 
heat transferred + work done by system on surroundings 
- W is positive if work is done on the system...
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Add to cart___________ and _________ are inversely proportional; _________ and _______ are directly 
proportional - frequency and wavelength ; frequency and energy 
1st Law of Thermodynamics - delta-U = q + W 
heat transferred + work done by system on surroundings 
- W is positive if work is done on the system...
Acetate - C2H3O2- 
Ammonium - NH4+ 
Carbonate - CO32- 
Define a cation - An atom that loses an electron becomes a positively charged ion 
Define a covalent bond - A chemical bond formed by the sharing of a pair of electrons between 
atoms. 
Define a covalent compound - Composed of two or more nonmet...
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Add to cartAcetate - C2H3O2- 
Ammonium - NH4+ 
Carbonate - CO32- 
Define a cation - An atom that loses an electron becomes a positively charged ion 
Define a covalent bond - A chemical bond formed by the sharing of a pair of electrons between 
atoms. 
Define a covalent compound - Composed of two or more nonmet...
Anions are - negative (ie, more electrons) 
Cations are - positive (ie, less electrions) 
Formula for density - d = m/v 
Formula Mass is measured by - adding up all the elements g/mol 
Formulas to conv. Celsius to Fahrenheit - 1. F = (C x 9/5) +32 
2. C = (F +32) x 5/9 
Formulas to conv. Kelvin to C...
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Add to cartAnions are - negative (ie, more electrons) 
Cations are - positive (ie, less electrions) 
Formula for density - d = m/v 
Formula Mass is measured by - adding up all the elements g/mol 
Formulas to conv. Celsius to Fahrenheit - 1. F = (C x 9/5) +32 
2. C = (F +32) x 5/9 
Formulas to conv. Kelvin to C...
accuracy - how close a measurement is to a true or accepted value 
acid - proton donor 
Acid Naming Rules - 1. Add O, add "per" prefix. 
2. Subtract 1 O, ending in "ous". 
3. Subtract 2 O's, add "hypo" prefix with "ous" suffix. 
acid-base titration - a solution of a known concentration (sta...
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Add to cartaccuracy - how close a measurement is to a true or accepted value 
acid - proton donor 
Acid Naming Rules - 1. Add O, add "per" prefix. 
2. Subtract 1 O, ending in "ous". 
3. Subtract 2 O's, add "hypo" prefix with "ous" suffix. 
acid-base titration - a solution of a known concentration (sta...
(CO3)2- - carbonate ion 
(NO3)- - nitrate 
(PO4)3- - phosphate ion 
(SO3)2- - sulfite ion 
(SO4)2- - sulfate ion 
1 Cal = ? cal - 1000 cal 
1 cal = ? J - 4.18 J 
1 ft = ? in - 12 in 
1 gal = ? qt - 4 qt 
1 in = ? cm - 2.54 cm 
1 lb = ? g - 454 g 
1 lb = ? oz - 16 oz 
1 mi = ? ft - 5280 ft1 qt = ? L ...
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Add to cart(CO3)2- - carbonate ion 
(NO3)- - nitrate 
(PO4)3- - phosphate ion 
(SO3)2- - sulfite ion 
(SO4)2- - sulfate ion 
1 Cal = ? cal - 1000 cal 
1 cal = ? J - 4.18 J 
1 ft = ? in - 12 in 
1 gal = ? qt - 4 qt 
1 in = ? cm - 2.54 cm 
1 lb = ? g - 454 g 
1 lb = ? oz - 16 oz 
1 mi = ? ft - 5280 ft1 qt = ? L ...
1 lb = _______ kg - 0.454 
5 steps of creating a Lewis structure - 1. calculate total number of valence electrons available 
2. determine which will be the central atom 
3. arrange atoms symmetrically around the central atom 
4. place bonds/electrons around the atoms until the octet rule is satisfie...
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Add to cart1 lb = _______ kg - 0.454 
5 steps of creating a Lewis structure - 1. calculate total number of valence electrons available 
2. determine which will be the central atom 
3. arrange atoms symmetrically around the central atom 
4. place bonds/electrons around the atoms until the octet rule is satisfie...
___ are forms of matter - Substances 
____ _____ provides information about percentages of different isotopes of each element - Mass 
spectrometer 
____ + ____ are polar covalent molecules that dissociate into ions when introduced to water - 
Acids, bases 
_____ charge = # of protons > # electron...
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Add to cart___ are forms of matter - Substances 
____ _____ provides information about percentages of different isotopes of each element - Mass 
spectrometer 
____ + ____ are polar covalent molecules that dissociate into ions when introduced to water - 
Acids, bases 
_____ charge = # of protons > # electron...
4 concepts of Dalton's atomic theory and their correctness - 1. All matter is composed of 
indivisible particles (atoms) (can split atoms but this is generally correct) 
2. atoms and indestructible and unchangeable (can change with extraneous outside methods, but still 
true) 
3. all atoms of a giv...
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Add to cart4 concepts of Dalton's atomic theory and their correctness - 1. All matter is composed of 
indivisible particles (atoms) (can split atoms but this is generally correct) 
2. atoms and indestructible and unchangeable (can change with extraneous outside methods, but still 
true) 
3. all atoms of a giv...
Exp 2- 25.00 mL of an unknow liquid were measured three times. The mass of each of the 25.00 mL 
samples were 36.137, 36.241, 36.098 g. Calculate the density of each sample and average value of the 
density. - 1.) 36.137 g/ 25.00 mL= 1.445 g/mL 
2.) 36.241 g/ 25.00 mL= 1.450 g/mL 
3.) 36.098 g/ 25.0...
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Add to cartExp 2- 25.00 mL of an unknow liquid were measured three times. The mass of each of the 25.00 mL 
samples were 36.137, 36.241, 36.098 g. Calculate the density of each sample and average value of the 
density. - 1.) 36.137 g/ 25.00 mL= 1.445 g/mL 
2.) 36.241 g/ 25.00 mL= 1.450 g/mL 
3.) 36.098 g/ 25.0...
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