Calculate the number of atoms of O contained in 16.0 pounds of O
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Definition1/16
16.0 lbs = 7,257 g of O2
Oxygen exists in the gas form as 02
7,257g O2 * 1 mol O2/ 32 g * 2 mol O / 1 mol O2 * 6.022x10^23
atoms/mol
= 2.73E26 atoms of O
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Term1/16
What is the general form of a synthesis reaction
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Definition1/16
A+B ➝AB
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Term1/16
What information does a solubility table give
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Definition1/16
it tells which compounds will dissolve in water
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Term1/16
What is the mass percent composition of an element in a molecule
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Definition1/16
Percentage composition= (mass of the element/mass of the
molecule)*100
The fraction of the molecule's mass that comes from the
element's mass
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Term1/16
How much mass does 1 mol of o2 gas have
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Definition1/16
15.99 x 2 g
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Term1/16
How do reactants and products participate in a chemical reaction
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Definition1/16
the reactants are compounds that react to form new compounds ,
the products
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Term1/16
What is the molarity of 4 mol of NaOH dissolved in 2 L of water
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Definition1/16
2 m
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Term1/16
Why is it useful to express a number in scientific notation
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Definition1/16
It can shorten the expression into a number that can more easily
be understood by giving an order of magnitude to the number. For
example, would you write 0.00000000000000000045 or would you write
4.5 X10-19.
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Term1/16
What kind of reaction is 2C2H6 7O2 g 4CO2 6H2O
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Definition1/16
A combustion reaction
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Term1/16
What is the oxidizing agent in the reaction Fe AgNO3 FeNO33 Ag
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Definition1/16
AgNO3 #APEX
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Term1/16
What elements have the highest and lowest ionization energy
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Definition1/16
Helium has the highest first ionization energy and francium has
the lowest first ionization energy.
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Term1/16
All life on earth is ultimately dependent on what
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Definition1/16
The sun for energy
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Term1/16
When food is exposed to air it can lose electrons. This loss of electrons creates reactive molecules that work to destroy the chemical bonds in the food causing it to spoil. What are these reactive mo
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Definition1/16
Free radicals
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Term1/16
How would 0.000000728 be written in scientific notation
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Definition1/16
It is 7.28*10^-7 in scientific notation
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Term1/16
How is the mass of 1 mole of an element determined
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Definition1/16
It is the same as the element’s atomic mass, but in grams.
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Term1/16
The only reactants in a reaction were Zn and HCI. What does the law of conservation of matter say about the products
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Definition1/16
The product will contain only Zn, H, and CI. -Apex
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Cards in this guide (16)
Calculate the number of atoms of O contained in 16.0 pounds of O
16.0 lbs = 7,257 g of O2
Oxygen exists in the gas form as 02
7,257g O2 * 1 mol O2/ 32 g * 2 mol O / 1 mol O2 * 6.022x10^23
atoms/mol
= 2.73E26 atoms of O
What is the general form of a synthesis reaction
A+B ➝AB
What information does a solubility table give
it tells which compounds will dissolve in water
What is the mass percent composition of an element in a molecule
Percentage composition= (mass of the element/mass of the
molecule)*100
The fraction of the molecule's mass that comes from the
element's mass
How much mass does 1 mol of o2 gas have
15.99 x 2 g
How do reactants and products participate in a chemical reaction
the reactants are compounds that react to form new compounds ,
the products
What is the molarity of 4 mol of NaOH dissolved in 2 L of water
2 m
Why is it useful to express a number in scientific notation
It can shorten the expression into a number that can more easily
be understood by giving an order of magnitude to the number. For
example, would you write 0.00000000000000000045 or would you write
4.5 X10-19.
What kind of reaction is 2C2H6 7O2 g 4CO2 6H2O
A combustion reaction
What is the oxidizing agent in the reaction Fe AgNO3 FeNO33 Ag
AgNO3 #APEX
What elements have the highest and lowest ionization energy
Helium has the highest first ionization energy and francium has
the lowest first ionization energy.
All life on earth is ultimately dependent on what
The sun for energy
When food is exposed to air it can lose electrons. This loss of electrons creates reactive molecules that work to destroy the chemical bonds in the food causing it to spoil. What are these reactive mo
Free radicals
How would 0.000000728 be written in scientific notation
It is 7.28*10^-7 in scientific notation
How is the mass of 1 mole of an element determined
It is the same as the element’s atomic mass, but in grams.
The only reactants in a reaction were Zn and HCI. What does the law of conservation of matter say about the products
The product will contain only Zn, H, and CI. -Apex