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Chemistry

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Arianna Blick

Lvl 9
โˆ™ 2021-10-16 18:35:00
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Cards in this guide (25)
What process by which one element changes into another element

Transmutation is the process by which one element changes into another element.

Weak acids are poor conductors of

Electricity

Are exothermic reactions decomposition reactions or are they synthesis reactions

Synthesis reactions are generally characterized by being exothermic. Decomposition reactions are usually endothermic.

What are Double And Single Displacement reactions

double displacement reaction is when the positive ion of one compound replaces the other, to form two new compounds.

Single displacement reaction is when one element replaces another in a compound

Heterogenous mixtures that look homogeneous
  • milk
  • steel
  • air
Which of the following are more reactive than lead

Lithium and Iron Apex Finchy

Catalysts are that increase the rate of a chemical reaction

Catalysts are substances that increase the rate of a chemical reaction -APEX

An acid is typically a bitter-tasting slippery chemical compound

false

AB C AC B is the general equation for which one of the following types of chemical reactions

Single displacement (apex)

The of an acid and a base is determined by how completely they dissociate in water

The _____________ of an acid and a base is determined by how completely they dissociate in water.

strength

When does a single displacement reaction occur

when one element replaces another element in a compound during a chemical reaction.

What kind of reaction occurs when a substance is broken down into two or more simpler substances in a chemical reaction

Breaking a substance down into two or more simpler substances is called as decomposition reaction.

Which one of the following is the general equation for a double displacement reaction

Ab+cd+=ad+cb

A precipitation reaction is a reaction between two aqueous

A precipitation reaction contains two aqueous reactants, one aqueous product, and one solid product. A precipitation reaction will produce an insoluble product.

Combustion reaction occurs when a substance usually containing carbon reacts with oxygen to produce energy in the form of heat and

A combustion reaction occurs when a substance, usually containing carbon, reacts with _oxygen_ to produce energy in the form of heat and light.

Which one of the following is a common acid soap aspirin antacid and washing soda

Aspirin

Which one of the following is the general equation for a acid base reaction

acid + base → salt + water

When a substance doesn't dissolve in water it's said to be

This substance is insoluble in water.

What are 3 useful displacement reactions

Two types of displacement reactions are known:
- single displacement
- double displacement

Are a single displacement reaction and a double displacment reaction always redox reactions

Single displacement reaction and a double displacement reaction are redox reactions.

apex- false

Which the following is a necessary product of a combustion reaction

heat

Which one of the following is an example of a strong acid

Hydrochloric acid -APEX;)

Which one of the following is not an example of combination reaction

2H2O (I) -2h2 (g) +o2(g)

A combustion reaction occurs when a substance usually containing carbon reacts with blank to produce energy in the form of heat and light.

Oxygen.

Which of the following are properties of acids

Apex- react with litmus paper and turn it read, produce a painful/burning sensation on skin

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