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Elements and Compounds

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Caroline Cronin

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Cards in this guide (20)
In a single replacement reaction which element must be most active

the single element (for A+)

What is the molar mass of barium sulfate

233.4

The molar mass of aluminum chloride is

133 A+

The mass of a mole of a substance expressed in grams is called a

its molar mass.

Sodium will react with oxygen to form sodium oxide Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction

62 grams a+

In a reaction between lead sulfate and tin chlorate the newly formed lead compound will be

lead IV chlorate

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

Na2CO3 + Ca

Predict the products for the reaction between Cu3PO4 and KMnO4

CuMnO4 +K3PO4 are the products for this reaction.

Jessica's teacher has asked her to bring her 0.40 moles of sodium chloride to the laboratory She should bring approximately grams
In a reaction between ammonium nitrate and aluminum chloride the newly formed aluminum compound will be

Al(NO3)3 . . . . .A+

What are the descriptions can a double replacement equation be recognized

Ab + xy ---> ay + xb

Using the periodic chart indicate the most common charge of magnesium

1

Calculate the empirical formula of a compound formed from 3 percent C 0.3 percent H and 96.7 percent you Which formula below correctly represents the empirical formula

Chi a+

Choose the product metal oxide plus nonmetal oxide æ

metal hydroxide

How many moles of sodium oxide will be produced when 10 moles of sodium react with oxygen This is the formula for the reaction

Balanced equation.

4Na + O2 -> 2Na2O

10 moles Na (2 moles Na2O/4 moles Na)

= 5.0 moles Na2O produced

Do you have to choose coefficients that will balance the equation in balancing an equation

If your goal is to balance the equation, then yes, you have to chose the coefficients.

Vinegar contains acetic acid. The formula for acetic acid is CH3COOH. One mole of acetic acid has a mass of how many grams

One mole of acetic acid has a mass of 60,05 grams.

The formula for ethyl alcohol is C2H5OH. The mass of 2 moles of ethyl alcohol would be how many grams

The mass of 2 moles of ethyl alcohol would be 92,14 grams.

The formula for benzene is C6H6. Figure the molar mass of benzene to the nearest gram

The molar mass of benzene is 78 g.

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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