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3U Chemistry Unit 2 > LT#1: Balancing and States > Flashcards

LT#1: Balancing and States Flashcards

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1
Q

Reaction Type? AB –> A + B

A

Decomposition

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1
Q

Description of Complete Combustion Reaction?

A

Burning of a hydrocarbon to form only water and carbon dioxide

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2
Q

Description of Decomposition Reaction?

A

1 chemical falls apart into 2 or more smaller chemicals

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3
Q

What is the balanced chemical equation including states for the reaction between Calcium and Aluminium phosphide?

A

3Ca(s) + 2AlP(aq) –> Ca3P2(aq) + 2Al(s)

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4
Q

Reaction Type? AX + BY –> BX + AY

A

Double Displacement

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5
Q

What is the balanced chemical equation including states for the reaction between Sodium and Phosphorous?

A

3Na(s) + P(s) –> Na3P(s)

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6
Q

Reaction Type? A + B –> AB

A

Synthesis

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6
Q

Description of Single Displacement Reaction?

A

An element replacing another elemen in a compound

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7
Q

The Law of Conservation of mass states….

A

During a chemical reaction, the total mass of the reactants is equal to the total mass of the products, because atoms cannot be created or destroyed, they are just rearranged.

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8
Q

How do you determine the state of a molecular compound?

A

Learn through life experience, If you don’t know a molecular compound, ask, yes even on a test!

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11
Q

What is the balanced chemical equation including states for the complete combustion of Pentacarbon octahydride?

A

C5H8(g) + 702(g) –> 5CO2(g) + 4H2O(g)

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12
Q

How do you determine the state of an element?

A

Look up on classroom periodic table:

a. Solids written in black
b. Liquids written in blue
c. Gases written in red

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14
Q

Which elements are diatomic?

A

H, N, O, and all halogens

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15
Q

What is the balanced chemical equation including states for the reaction between Silicon and Hydrogen?

A

Si(s) + 2H2(g) –> SiH4(s)

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16
Q

What state are ionic compounds in SD and DD reactions?

A

Reactants are always aq

Must look up products on the solubility table.

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16
Q

Description of Synthesis Reaction?

A

2 become 1

17
Q

Reaction Type? A + BX –> B + AX

A

Single Displacement

18
Q

Description of Double Displacement Reaction?

A

Cations of two compounds exchange places to form 2 new compounds

19
Q

What state are ionic compounds in S and D reactions?

A

Always solid

20
Q

Reaction Type? C?H? + O2 –> CO2 + H2O

A

Complete Combustion

21
Q

What is the balanced chemical equation including states for the reaction between Potassium carbonate and Iron (III) nitrate?

A

3K2CO3(aq) + 2Fe(NO3)3(aq) –> 6KNO3(aq) Fe2(CO3)3(s)

3U Chemistry Unit 2 (6 decks)

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