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Chemistry

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Carmelo Hoeger

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Term1/13
Which of the following describes a cytotoxic autoimmune reaction
Definition1/13

Which of the following (what)?

Term1/13
What is the equation of methane with bromine in the presence of sunlight
Definition1/13

CH4(g) + Br2(g) -----------------> CH3Br(g) + HBr(g)

(sunlight/UV Light)

Term1/13
What does percent composition tell you about a molecule
Definition1/13

It tells you how much of a molecule is made up of each element. - APEX

Term1/13
How does one determine a percent composition from an empirical formula
Definition1/13

divide the total mass of the element by the mass of the compound and multiply by 100%

Term1/13
Where are the products in a chemical equation located
Definition1/13

usually on the right of the yeild sign
On the right side of the arrow in the equation

Term1/13
What is the percent composition of sulfur in SO2
Definition1/13

32.1g

__________________

X100%

(32.1g + 16.0g + 16.0g)

Term1/13
What reaction shows a compound breaking apart into separate substances
Definition1/13

Decomposition reaction

Term1/13
What is the molecular formula of the compound CH2 with molar mass 168
Definition1/13

C12h24

Term1/13
What would be useful for converting g mol to g L
Definition1/13

Molarity

Term1/13
What is the best definition of a physical change
Definition1/13

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

Term1/13
Which concentration unit is independent of temp
Definition1/13

The unit of concentration is Molar = Moles/Litre.

Term1/13
How many CI atoms are in Zn(CIo3)2
Definition1/13

For Apex the answer is 2

Term1/13
How many moles of KCI would be dissolved in 4 L of water to make 2 M solution
Definition1/13

8 moles

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Cards in this guide (13)
Which of the following describes a cytotoxic autoimmune reaction

Which of the following (what)?

What is the equation of methane with bromine in the presence of sunlight

CH4(g) + Br2(g) -----------------> CH3Br(g) + HBr(g)

(sunlight/UV Light)

What does percent composition tell you about a molecule

It tells you how much of a molecule is made up of each element. - APEX

How does one determine a percent composition from an empirical formula

divide the total mass of the element by the mass of the compound and multiply by 100%

Where are the products in a chemical equation located

usually on the right of the yeild sign
On the right side of the arrow in the equation

What is the percent composition of sulfur in SO2

32.1g

__________________

X100%

(32.1g + 16.0g + 16.0g)

What reaction shows a compound breaking apart into separate substances

Decomposition reaction

What is the molecular formula of the compound CH2 with molar mass 168

C12h24

What would be useful for converting g mol to g L

Molarity

What is the best definition of a physical change

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

Which concentration unit is independent of temp

The unit of concentration is Molar = Moles/Litre.

How many CI atoms are in Zn(CIo3)2

For Apex the answer is 2

How many moles of KCI would be dissolved in 4 L of water to make 2 M solution

8 moles

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