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Chemistry

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Heath Smitham

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Cards in this guide (12)
What is a heterogeneous mixture

Heterogeneous means of different types. So a heterogeneous mixture is a mixture of dissimilar items. Homogeneous means of the same type so a homogeneous mixture would be a mixture of similar items.

A mixture where two or more substances are mixed together but are not chemically combined is called as an heterogeneous mixture.

In chemistry, heterogeneous mixture is a mixture of two or more different substances in the form of solution or colloids. For example, salad is an heterogeneous mixture


A heterogenous mixture is not uniform in composition and properties throughout.
What property characterizes a spontaneous redox reaction

A positive sum of the two half-reactions' standard potentials

Who is famous for discoveries in radioactivity

marie curie

What happens to the anode in an electrochemical cell

it loses mass

Which of the following describes the entropy change of a gas reaction

If there is an increase in the number of gas molecules, then S > 0.

What shape is generated when the plane cuts the given solid in the manner shown

The following word describes the generated shape:

What important discovery did Ernest Rutherford make

He found that the atom was made up of mostly empty space.

A steam engine depends on what kind of energy conversion

Heat energy to kinetic energy

Which of the following contains a polar covalent bond NaCl NO O2 Na(s)

no

What is characteristic of a covalent bond

Electrons are shared between two different nuclei.

How is stoichiomerty used to calculate amount of product from amount of reactant

the coefficients give the ratio of moles reactant to moles product

What is the correct name for na2o

Sodium Oxide

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