Reactions Test 50

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Each substance to the right of the arrow in a chemical equation is a

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The numbers that go before symbols and formulas in a chemical equation are

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Substances that speed up chemical reactions are called

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A blank chemical equation has the same number of atoms of each element on each side of the equation.

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If something is burned, a blank reaction has occurred.

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Why does an increase in temperature result in an increase in reaction rate?

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If energy must be ADDED to a chemical reaction for the reaction to take place, the reaction is blank.

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In a chemical equation, this symbol means dissolved in water

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What type of reaction needs oxygen and produces carbon dioxide and water vapor?

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NaOH and HCL produces NaCl + H20 is a double displacement reaction.

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A teacher wants to demonstrate a chemical reaction for her students. Which activity would best demonstrate a chemical reaction?

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When a wood fire burns, it releases heat into the environment. This type of reaction is blank.

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The law of conservation of Mass states

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Which of the following observation does NOT indicate that a chemical reaction has occurred?

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Which situation provides the best evidence that a chemical reaction is taking place?

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A substance that is an ingredient in a chemical reaction is called a blank.

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Hydrogen reacts with oxygen to produce water; which substances are the reactants?

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The S symbol written after a formula in a chemical equation stands for blank?

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A solid produced from two liquids in a double displacment chemical reaction is called a blank.

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To balance a chemcial equation, it may be neccessary to adjust the

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Balance the equation

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What type of reaction is number twenty one?

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Balance the equation

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What type of reaction is number twenty three?

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Balance the equation

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What type of reaction is number twenty five?

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Balance the equation

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What type of reaction is number twenty seven?

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Balance the equation

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What type of reaction is number twenty nine?

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The more concentrated a solution is, the slower the reaction rate

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an Endothermic reaction absorbs energy

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Each substance to the right of the arrow in a chemical equation is a

The numbers that go before symbols and formulas in a chemical equation are

Substances that speed up chemical reactions are called

A blank chemical equation has the same number of atoms of each element on each side of the equation.

If something is burned, a blank reaction has occurred.

Why does an increase in temperature result in an increase in reaction rate?

If energy must be ADDED to a chemical reaction for the reaction to take place, the reaction is blank.

In a chemical equation, this symbol means dissolved in water

What type of reaction needs oxygen and produces carbon dioxide and water vapor?

NaOH and HCL produces NaCl + H20 is a double displacement reaction.

A teacher wants to demonstrate a chemical reaction for her students. Which activity would best demonstrate a chemical reaction?

When a wood fire burns, it releases heat into the environment. This type of reaction is blank.

The law of conservation of Mass states

Which of the following observation does NOT indicate that a chemical reaction has occurred?

Which situation provides the best evidence that a chemical reaction is taking place?

A substance that is an ingredient in a chemical reaction is called a blank.

Hydrogen reacts with oxygen to produce water; which substances are the reactants?

The S symbol written after a formula in a chemical equation stands for blank?

A solid produced from two liquids in a double displacment chemical reaction is called a blank.

To balance a chemcial equation, it may be neccessary to adjust the

Balance the equation

What type of reaction is number twenty one?

Balance the equation

What type of reaction is number twenty three?

Balance the equation

What type of reaction is number twenty five?

Balance the equation

What type of reaction is number twenty seven?

Balance the equation

What type of reaction is number twenty nine?

The more concentrated a solution is, the slower the reaction rate

an Endothermic reaction absorbs energy

An exothermic reaction releases energy