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Chemistry

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Maeve Christiansen

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Cards in this guide (14)
In a single replacement reaction which element must be most active

the single element (for A+)

Avogadro's number is equal to

It is equal to 6.02 x 1023

The molar mass of aluminum chloride is

133 A+

Yonas has 44.78 g of cupric sulfate How many moles does he have
By referring to the periodic chart indicate which is the mass number of copper

63.546

Predict the most likely products formed from the reaction between calcium carbonate and sodium metal

Na2CO3 + Ca

When metallic iron is left out in the weather it will react with water to form rust in a synthesis reaction Which of these is the chemical formula for rust

Fe2O3 is the chemical formula for rust.

Jessica's teacher has asked her to bring her 0.40 moles of sodium chloride to the laboratory She should bring approximately grams
Diatomic elements are generally stable when they are in molecular form true or false

false

A baker uses the term one dozen to indicate a specific quantity 12 What quantity does the chemists term one mole indicate

6.02 x 10^23

Using the periodic chart indicate the most common charge of magnesium

1

What solution will correctly complete and balance this equation NiCl2 plus 2Na

2NaCl + Ni

Which of these elements is not diatomic out of oxygen nitrogen bromine or calcium

CO2

Choose the best definition of STP

a term that indicates a combined measurement of standard atmospheric pressure and room temperature. A+

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