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Chemistry

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Term1/10

Express a numbers of scientific notation

Definition1/10

how to express scientific notation to a simle number

Term1/10

What does a complete ionic equation look like

Definition1/10

All ionic substances are written as separate ions in solution

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What does the state symbol aq mean when written after a chemical compound in a chemical reaction

Definition1/10

The state symbol aq means it dissolves in water when it is written after a chemical compound in a chemical reaction.

Term1/10

What is the percent composition of sulfur in SO2

Definition1/10

32.1g

__________________

X100%

(32.1g + 16.0g + 16.0g)

Term1/10

What does it mean if something is insoluble

Definition1/10

It will not dissolve in water.

Term1/10

What is the best definition of a physical change

Definition1/10

Answer this question… Which of the following is the best definition of a physical change?

Term1/10

What is the complete ionic equation for h2so4aq cai2aq caso4s 2hiaq

Definition1/10

For Apex: 2H+ + SO42- + Ca2+ +2I- -> CaSO4 + 2H+ + 2I-

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How does one determine a molecular formula from the empirical form

Definition1/10

molar mass of unknown/molar mass of empirial = # of empirical units in the molecular formula. Example: empirical formula is CH2O with a molar mass of 30. If the molar mass of the unknown is 180, then 180/30 = 6 and molecular formula will be C6H12O6

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What represents the mass of 1 molecule of sh2

Definition1/10

34.1 amu

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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 molecules cal

Definition1/10

Free radicals

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Cards in this guide (10)

Express a numbers of scientific notation

how to express scientific notation to a simle number

What does a complete ionic equation look like

All ionic substances are written as separate ions in solution

What does the state symbol aq mean when written after a chemical compound in a chemical reaction

The state symbol aq means it dissolves in water when it is written after a chemical compound in a chemical reaction.

What is the percent composition of sulfur in SO2

32.1g

__________________

X100%

(32.1g + 16.0g + 16.0g)

What does it mean if something is insoluble

It will not dissolve in water.

What is the best definition of a physical change

Answer this question… Which of the following is the best definition of a physical change?

What is the complete ionic equation for h2so4aq cai2aq caso4s 2hiaq

For Apex: 2H+ + SO42- + Ca2+ +2I- -> CaSO4 + 2H+ + 2I-

How does one determine a molecular formula from the empirical form

What represents the mass of 1 molecule of sh2

34.1 amu

Free radicals

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What is molarity pure water

Does H2 have a molecular dipole moments

What best describes a bond formed between two unlike atoms

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Which of the following describes a cytotoxic autoimmune reaction

What is the charge on the polyatomic ion cyanide

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