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Scientific Method & Properties of Matter
Molar Mass & Electron configuration
Ionic and Covalent compounds
Stoichiometry
Types of reactions
100
The part of the experiment that changes depending on the independent variable. What we are measuring in an experiment.
What is the dependent variable
100
What is a mole?
A constant unit of quantity equal to (6.02x10^23)
100
These type of compounds are made up of metals and nonmetals.
What is ionic compounds?
100
How many moles of sodium oxide are there if you have 23g of it?
.37mol
100
This type of reaction has a skeleton of A + B = AB
What is synthesis reaction
200
How many kilograms are there in 4,000g?
What is 4kg
200
What is the electron configuration of Fluorine?
What is 1s22s22p5
200
These compounds are formed when atoms "share" their valence electrons to fulfill the octet rule
What is covalent compounds?
200
How do you obtain the mole ratio of two compounds?
The coefficients of the balanced reaction
200
This types of reaction is what occurs when a hydrocarbon is burned in the presence of oxygen
What is combustion reaction?
300
What is the difference between a theory and a hypothesis?
A theory is a hypothesis that has been tested numerous times and is treated as fact by the scientific community.
300
How many moles are there in 25g of Carbon?
2.08mol of C
300
What is the formula for Iron (II) oxide?
FeO
300
How many particles are there if you have 3.4moles of carbon?
What is 2.05x10^24
300
This type of reaction is when two compounds "swap partners" with each other
What is double replacement reaction?
400
What is the density of a block of metal that weighs 205g and has a volume of 45mL?
What is 4.56g/mL
400
What is the molar mass of sodium phosphate?
What is 164g/mol
400
What is the formula for Iron (III) Oxide
What is Fe2O3
400
Balance the reaction of aluminum reacting with oxygen gas to produce aluminum oxide
4Al + 3O2 --> 2Al2O3
400
Write the full balanced reaction of magnesium reacting with oxygen gas
2Mg + O2 = 2MgO
500
What is the difference between a physical change and a chemical change?
A physical change is when a substance changes state of matter or shape. A chemical change is when the atoms rearrange and become a new chemical.
500
How many grams are there if you have 3.47 moles of carbon dioxide?
152.68
500
What is the difference in naming rules between ionic and covalent compounds?
500
How many liters of hydrogen gas are needed to fully react with 23g of of oxygen gas in the reaction of: O2 + 2H2 --> 2H2O
32.2L of Hydrogen gas
500
Write the full balanced reaction of methane (CH4) reacting with oxygen gas
What is CH4 + 2O2 = 2H2O + CO2