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Chemistry

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Alek Batz

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Cards in this guide (11)
Can homogeneous mixtures be separated by physical means

Homogeneous mixtures can not be separated, heterogeneous mixtures can.

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

its a chemical reaction

The geometry of a water molecule is what

Tetrahedron.

Catalysts are that increase the rate of a chemical reaction

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

Which of the following are properties of bases

Turn litmus paper blue, Slippery, Tastes bitter (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 very electronegative atoms like oxygen bond to atoms with lower electronegativity like lithium What is the result

An ionic compound forms. The more electropositive element such as the lithium positively charged, the more electronegative element, such as oxygen becomes negatively charged.

AB plus C plus B is the general equation for which one what types of chemical reactions

AB + C + B is not an equation: an equation requires two sets of compounds on either side of an equality sign. Furthermore, it cannot be any of the following types of reactions because there is nothing following.

Which the following is a necessary product of a combustion reaction

heat

The change that takes place when two or more substances what to form new substances is called a chemical reaction

(Apex) interact

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