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Chemistry

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Amina Stehr

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โˆ™ 2021-10-16 18:35:01
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Cards in this guide (25)
What is the pH range of acids

The pH scale ranges from 0-14. A pH of 0-7 is considered acidic. The lower the pH, the stronger the acid. So a pH of perhaps 0-2 would be a strong acid while a pH closer to 7 may be considered a weak acid.

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

When baking soda is mixed with vinegar which type of reaction has taken place

its a chemical reaction

Heterogenous mixtures that look homogeneous
  • milk
  • steel
  • air
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)

What are the substances that increase the rate of a chemical reaction called

Catalysts

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.

Sodium hydroxide is a common what

Sodium hydroxide, also known as lye or NaOH, is a common base. NaOH is a strong base, and thus fully dissociates in aqueous solution.

A chemical equation is balnced by changing or adding

Adding.

Is burning of oxygen combustion or decomposition

Combustion. Any reaction that has O2 as a reactant is combustion.

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

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;)

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

Oxygen.

What reaction is the change that takes place when two or more substance interact form new substance

This reaction can be synthesis or combination reaction.

What are the substances that interact to form new substances in a chemical reaction called

Reactants (apex)

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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