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Chemistry

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Elva Reinger

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Cards in this guide (8)
What untraditional civilian jobs were women in Australia encouraged to do during World War 2

Women in Australia were encouraged to join the army. Some women even fought in battle in war zones. Others worked at industrial jobs in factories and as nurses.

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

Catalysts

Mendeleevs periodic table of elements was created in 1901

Mendeleev's periodic table of elements certainly wasn't created in 1901

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.

What made Eli Whitney's gin better than the Churka

Eli Whitneys cotton gin was better because it JUST WAS

What is the only item found on earth in three different phases of matter at standard pressure

Water is the only item found on earth in three different phases of matter at standard pressure.

Which of the following terms describes water molecules sticking to other water molecules

cohesion

Why do elements in the top right corner have high ionization energies

The elements in this part of the periodic table want to gain electrons to get to a noble gas configuration - not lose them. To lose electrons is very energetically unfavorable (high ionization energies).

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