Upgrade to remove ads
CHM 1045 Exam 1 (Chapters 1-3)
Terms in this set (50)
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 Celsius
C = K - 273.15
Formula for density
d = m/v
How to find neutrons in an isotope?
number given - number of protons (equal to number on periodic table)
How to write formulas for ionic compounds
How to name for molecular compounds
How to name ionic compounds
use roman numerals for metals and add ide to non metals
name CrCl2 6H20
Chromium (II) Chloride HexaHydrate
How to tell if ionic or molecular
It is ionic if it has a metal, and molecular if it is just non metals
Formula Mass is measured by
adding up all the elements g/mol
What is empirical formula
lowest/most simplified formula
What is law of conservation of mass/who created it?
Lavoisier in 1789. Mass cannot be created or destroyed
What is law of multiple proportions/who created it?
Dalton. Elements will always bond in whole number rations
Laws of Definite Proportions (who created it/what is it)
Proust. Elemental composition of a substance does not vary.
Who discovered atoms and that they were the smallest thing?
Who wrote first atomic theory of matter?
Who found electrons and how?
Thompson with cathode ray tube
Who discovered mass of electron and how?
Millikan with oil drop experiment
Who discovered nucleus and how?
Rutherford with gold foil experiment
Who discovered protons?
Who discovered neutrons?
positive (ie, less electrions)
negative (ie, more electrons)
Prefixes for naming covalent compounds
Mono, Di, tri, Tetra, Penta, Hexa, hepta, octa, nona, deca (also hemi = 1/2)
What are oxyacids?
Oxygen + hydrogen + nonmetal
What are the types of Combination Reactions?
Synthesis, Single displacement, Double Displacement
What is synthesis reaction?
A + B -> C
What is single displacement and what pushes what?
A + BX -> AX + B
Cations push cations and anions push anions
What is formula mass aka molar mass?
Sum of atomic masses for all atoms in a formula
How do you find percent composition?
(# of element)(atomic mass of element) /
(mass of entire compound) and then multiply by 100
What is limiting reactant?
Reactant you will run out of first. It limits your product.
What is theoretical yield?
It is the amount of product that can be made
What is actual yield?
Amount which is actually produced
What is percent yield?
Actual Yield / Theoretical yield multiplied by 100
What is phosphate?
What is sulfate?
What is nitrate?
What is chlorate?
What is carbonate?
What is ammonium?
What is hydroxide?
What does ite mean at the end of a polyatomic ion?
1 less oxygen than ate
What does per mean at the beginning of a polyatomic ion?
1 more oxygen than ate
What does hypo mean at the beginning of a polyatomic ion?
1 less oxygen than ite
What is cyanide?
What are possible charges of Fe?
+2 and +3
What are possible charges of Zn?
What are possible charges of Cr?
+2 and 3
What are possible charges of Sn?
2+ and 4+
What are possible charges of Al?
THIS SET IS OFTEN IN FOLDERS WITH...
Common Polyatomic Ions (and other ions)
CHM 1045 - Chapter 6
Solutions and Mixtures Vocab
YOU MIGHT ALSO LIKE...
Modern Chemistry Ch 7
Chemistry- Chapter 7 Part 2
Chem Class Notes 3- Test 2
Chemistry Test #4
OTHER SETS BY THIS CREATOR
GLY1102 - UF - Exam 2
COP3530 Final Exam
COP3530 Exam 2
COP3530 Exam 1